THÔNG TIN TÀI LIỆU
Skills I Exercise Book Topics: Addition up to 100 Subtraction within 100 Regrouping and Number bonds Addition color by number activity Addition crossword and word search activity Missing addends activity sheet Funny Face images Addition and Subtraction up to 100 Addition and subtraction are arguably the most important math topics for every first grade mathematics student The memorization of number bonds and the ‘ feeling’ with numbers come with the ability to add and subtract numbers without to much thinking Math topics in future school years all elaborate on these important skills It might be true that endless pages of number crunching materials seem to have no meaning to students, but these skills are so important that we advice every teacher, parent or student to print this booklet and all pages! The result will be ta lot of confidence in math! This booklet comes with answers and is made for students from all levels For the weaker and the stronger! It’s just like a video game; the more you practice, the better you get! This booklet is part of our Math in English Skills Series which is based on core math topics underlying the application of math! These workbooks, including answers, are free and downloadable from our website Copyright: Math in English Addition and Subtraction Calculate 12 + 33 + 18 24 + 17 55 + 36 72 + 46 + 25 17 + 34 78 + 13 26 + 25 20 + 41 14 + 47 33 + 28 44 + 47 15 + 76 41 + 20 19 + 22 32 + 43 + 54 + 17 88 + 72 + 19 65 + 16 45 + 26 43 + 18 87 + 23 + 48 Copyright: Math in English Page Addition and Subtraction Calculate 21 - 10 43 - 12 35 - 14 56 - 25 78 - 40 - 19 77 - 36 23 - 12 84 - 23 90 - 49 64 - 33 33 - 22 54 - 23 75 - 14 41 - 20 89 - 28 30 - 43 - 12 54 - 88 - 47 72 - 11 65 - 14 46 - 25 53 - 12 87 - 90 - 29 Copyright: Math in English Page Addition and Subtraction Calculate 13 + 44 + 18 24 + 18 53 + 39 52 + 10 41 + 21 16 + 36 73 + 19 26 + 26 27 + 45 18 + 44 34 + 28 44 + 48 15 + 77 42 + 20 19 + 23 30 + 22 43 + 29 54 + 18 25 + 37 72 + 20 55 + 17 44 + 28 41 + 11 87 + 23 + 49 Copyright: Math in English Page Addition and Subtraction Calculate 21 - 81 - 18 35 - 12 56 - 23 78 - 61 - 18 77 - 34 23 - 10 84 - 21 90 - 47 64 - 31 32 - 29 54 - 21 75 - 12 41 - 18 89 - 26 31 - 43 - 20 54 - 88 - 45 72 - 19 65 - 12 46 - 23 53 - 10 87 - 90 - 27 Copyright: Math in English Page Addition and Subtraction Time to have some fun now and solve this crossword puzzle! Across 10 12 14 25 + 48 46 + 16 69 + 15 18 + 56 14 + 39 + 17 29 + 17 Down 16 18 + 18 19 + 18 21 25 + 50 23 + 77 25 14 + 31 27 28 + 21 28 12 + 25 Copyright: Math in English 11 13 15 + 23 + 19 53 + 18 28 + 17 25 + 15 87 + 56 + 15 17 18 20 22 24 26 24 + 38 + 59 12 + 26 + 49 12 + 46 29 + 35 37 + 16 Page Addition and Subtraction Calculate 45 + 33 + 11 27 + 17 55 + 19 72 + 12 46 + 28 37 + 37 78 + 16 26 + 28 23 + 41 14 + 40 33 + 21 47 + 47 15 + 79 41 + 23 52 + 32 42 + 22 43 + 11 54 + 10 88 + 72 + 12 58 + 16 45 + 29 43 + 11 87 + 26 + 48 Copyright: Math in English Page Addition and Subtraction Calculate 41 - 17 43 - 29 35 - 11 66 - 22 78 - 40 - 16 67 - 33 83 - 19 84 - 20 90 - 46 62 - 38 43 - 29 54 - 20 75 - 11 41 - 27 89 - 25 50 - 63 - 29 54 - 20 88 - 44 72 - 18 45 - 11 46 - 22 53 - 19 87 - 90 - 26 Copyright: Math in English Page Addition and Subtraction Calculate 16 + 40 + 15 24 + 11 56 + 39 52 + 13 44 + 31 24 + 31 73 + 12 26 + 29 27 + 48 18 + 47 37 + 28 44 + 41 15 + 60 43 + 22 19 + 26 70 + 15 49 + 26 56 + 19 25 + 30 72 + 23 48 + 17 44 + 21 41 + 14 87 + 23 + 42 Copyright: Math in English Page Multiplication and Division Calculate 4x 7= 9x 2= 7x 5= 4x 0= 4x 5= 6x 8= 7x 2= 3x 9= 4x 8= x 10 = 5x 8= 10 x = 9x 6= 5x 6= 4x 1= 7x 3= 2x 5= 8x 7= 6x 2= 7x 9= 10 x = 6x 1= 8x 5= 9x 4= 2x 8= 1x 4= 5x 5= 9x 2= 5x 3= 3x 8= 7x 5= 2x 6= Copyright: Math in English Page 11 Multiplication and Division Calculate 45 ÷ = 24 ÷ = 36 ÷ = 36 ÷ = 18 ÷ = 36 ÷ = 49 ÷ = 8÷ 2= 24 ÷ = 10 ÷ 10 = 16 ÷ = 70 ÷ 10 = 3÷ 1= 35 ÷ = 63 ÷ = 12 ÷ = 25 ÷ = 32 ÷ = 42 ÷ = 24 ÷ = 50 ÷ 10 = 12 ÷ = 30 ÷ = 18 ÷ = 56 ÷ = 30 ÷ 10 = 30 ÷ = 54 ÷ = 48 ÷ = 56 ÷ = 63 ÷ = 72 ÷ = Copyright: Math in English Page 12 Multiplication and Division Calculate 4x 5= 9x 7= 7x 6= 3x 2= 4x 9= 6x 3= 7x 3= 9x 2= 4x 9= x 10 = 8x 2= 10 x = 5x 7= 5x 3= 4x 2= 5x 8= 6x 5= 9x 8= 8x 8= 7x 4= 10 x = 7x 0= 6x 3= 8x 6= x 10 = 1x 6= 6x 9= 7x 7= 0x 8= 3x 8= 6x 6= 4x 6= Copyright: Math in English Page 13 Multiplication and Division Calculate 25 ÷ = 27 ÷ = 15 ÷ = 81 ÷ = 36 ÷ = 16 ÷ = 42 ÷ = 6÷ 3= 24 ÷ = 20 ÷ 10 = 30 ÷ = 50 ÷ 10 = 9÷ 3= 32 ÷ = 72 ÷ = 18 ÷ = 10 ÷ = 16 ÷ = 49 ÷ = 24 ÷ = 80 ÷ 10 = 32 ÷ = 12 ÷ = 18 ÷ = 81 ÷ = 90 ÷ 10 = 35 ÷ = 56 ÷ = 56 ÷ = 14 ÷ = 54 ÷ = 64 ÷ = Copyright: Math in English Page 14 Multiplication and Division Can you solve this crossword puzzle? 10 12 11 14 13 15 16 17 18 19 20 Across 10 11 4x9 = 2x7= 6x8= 7x6= 5x5= 5x3= 9x9= 4x8= 7x5= Down 12 13 14 15 16 17 18 19 20 3x7= 9x5= 2x8= 9x6= 2x6= 4x8= 5x5= 7x2= 4x9= Copyright: Math in English 4x8 = 6x4= 3x 6= 5x 9= 6x8= 7x3= 3x4= 5x5= 9x9= 10 11 12 13 14 16 17 18 19 5x7= 4x9= 6x4= 6x7= 6x 2= 3x5= 7x 5= 4x6= 4x4= Page 15 Multiplication and Division Calculate 2x 7= 8x 2= 6x 5= 4x 0= 3x 5= 6x 8= 6x 2= 3x 9= 4x 8= x 10 = 5x 8= 10 x = 9x 6= 5x 6= 4x 1= 7x 3= 2x 5= 8x 7= 6x 2= 7x 9= 10 x = 6x 1= 8x 5= 9x 4= 2x 8= 1x 4= 5x 5= 9x 2= 5x 3= 3x 8= 7x 5= 2x 6= Copyright: Math in English Page 16 Multiplication and Division Calculate 15 ÷ = 28 ÷ = 42÷ = 45 ÷ = 14 ÷ = 32 ÷ = 56 ÷ = 2÷ 2= 24 ÷ = 10 ÷ 10 = 16 ÷ = 60 ÷ 10 = 4÷ 1= 35 ÷ = 14 ÷ = 12 ÷ = 20 ÷ = 32 ÷ = 42 ÷ = 24 ÷ = 40 ÷ 10 = 12 ÷ = 30 ÷ = 18 ÷ = 56 ÷ = 30 ÷ 10 = 30 ÷ = 54 ÷ = 48 ÷ = 56 ÷ = 63 ÷ = 72 ÷ = Copyright: Math in English Page 17 Multiplication and Division Fill in the missing numbers 4x = 20 x = 63 7x = 42 3x = 4x = 36 6x = 18 7x = 21 9x = 18 3x = 18 8x = 80 8x = 16 10 x = 20 5x = 35 5x = 15 4x = 5x = 40 6x = 30 9x = 72 8x = 64 7x = 28 10 x = 40 7x = 6x = 18 8x = 48 3x = 30 1x = 6x = 54 7x = 49 0x = 3x = 24 6x = 36 4x = 24 Copyright: Math in English Page 18 Multiplication and Division Fill in the missing numbers 25 ÷ = 27 ÷ = 15 ÷ = 81 ÷ = 36 ÷ = 16 ÷ = 42 ÷ = 6÷ = 36 ÷ = 20 ÷ = 30 ÷ = 50 ÷ = 9÷ = 32 ÷ = 72 ÷ = 18 ÷ = 10 ÷ = 16 ÷ = 49 ÷ = 24 ÷ = 80 ÷ = 32 ÷ = 12 ÷ = 18 ÷ = 81 ÷ = 90 ÷ = 35 ÷ = 56 ÷ = 56 ÷ = 14 ÷ = 54 ÷ = 64 ÷ = Copyright: Math in English Page 19 Multiplication and Division Fill in the missing numbers ÷ 5= ÷ 3= ÷ 5= ÷ 9= ÷ 6= ÷ 4= ÷ 7= ÷ 3= ÷ 6= ÷ 10 = ÷ 6= ÷ 10 = ÷ 3= ÷ 4= ÷ 9= ÷ 3= ÷ 5= ÷ 2= ÷ 7= ÷ 6= ÷ 10 = ÷ 4= ÷ 2= ÷ 2= ÷ 9= ÷ 10 = ÷ 7= ÷ 7= ÷ 8= ÷ 2= ÷ 9= ÷ 8= Copyright: Math in English Page 20 Multiplication and Division Calculate Multiplication and Division Calculate x = 15 x = 45 15 ÷ = 24 ÷ = x = 35 7x 1= 25 ÷ = 27 ÷ = x = 12 x = 24 14 ÷ = 36 ÷ = x = 14 x = 27 49 ÷ = 8÷ 2= 4 x = 16 x 10 = 80 x = 32 16 ÷ = 80 ÷ 10 = 42 ÷ = 10 x = 40 x = 25 x = 35 10 ÷ 10 = 6÷ 2= 35 ÷ = x = 21 x = 10 81 ÷ = 18 ÷ = 40 ÷ = x = 20 x = 40 x = 49 32 ÷ = 56 ÷ = 36 ÷ = 3x 3= x = 32 50 ÷ 10 = 20 ÷ = 10 20 ÷ = 9x 1= 12 ÷ = 72 ÷ = 90 ÷ 10 = 3x 2= 10 x = 30 9 x = 18 10 x 10 = 100 x = 15 x = 18 x = 30 30 ÷ = 36 ÷ = 24 ÷ = x = 15 x = 64 x = 16 28 ÷ = 45 ÷ = 54 ÷ = Page Copyright: Math in English Page Copyright: Math in English Multiplication and Division Multiplication and Division Calculate Calculate x = 24 x = 27 27 ÷ = 21 ÷ = x = 24 1x 4= 15 ÷ = 81 ÷ = x = 20 x = 18 24 ÷ = 16 ÷ = x = 28 x = 12 42 ÷ = 6÷ 3= x = 36 x 10 = 60 x = 40 32 ÷ = 40 ÷ 10 = 30 ÷ = 10 x = 30 x = 30 x = 14 50 ÷ 10 = 9÷ 3= 32 ÷ = x = 15 x = 42 72 ÷ = 18 ÷ = 10 ÷ = x = 45 x = 64 x = 56 36 ÷ = 35 ÷ = 12 ÷ = 1x 3= x = 24 50 ÷ 10 = 20 ÷ = 20 ÷ = 10 3x 3= 10 x = 90 x = 81 x 10 = 50 2x 2= 12 ÷ = 72 ÷ = 20 ÷ 10 = x = 35 x = 54 0x 6= 30 ÷ = 63 ÷ = 48 ÷ = x = 21 x = 48 x = 32 28 ÷ = 45 ÷ = 64 ÷ = Copyright: Math in English Page Copyright: Math in English Page Multiplication and Division Multiplication and Division Calculate Now it’s time to test our skills by solving this crossword puzzle! x = 20 x = 27 x = 42 5x 1= x = 16 x = 30 x = 21 x = 24 x = 12 x 10 = 40 x = 16 10 x = 30 x = 45 x = 14 x = 28 x = 18 x = 40 x = 48 x = 35 6x 0= x = 72 4x 2= Across 10 12 14 10 x = 60 Down 3x7= 4x8= 9x9= 9x5= 2x8= 6x9= 6x7= 16 19 21 23 25 27 28 5x5= 9x9= 8x8= 6x8= 4x6= 3x6= 5x4= 11 13 7x3= 3x8= 3x7= 5x3= 7x8= 8x8= 7x6= 15 17 18 20 22 24 26 4x7= 8x7= 2x7= 3x4= 6x8= 9x9= 7x6= Page Copyright: Math in English x = 18 x = 64 1x 1= x = 15 x = 12 x = 20 x = 18 x = 56 x = 10 Page Copyright: Math in English Multiplication and Division Calculate Multiplication and Division Calculate 25 ÷ = 21 ÷ = x = 12 x = 18 35 ÷ = 27 ÷ = 3 x = 18 1x 9= 16 ÷ = 32 ÷ = x = 24 x = 12 42 ÷ = 6÷ 2= x = 56 x = 36 24 ÷ = 70 ÷ 10 = 36 ÷ = x = 32 x 10 = 70 x = 24 40 ÷ 10 = 8÷ 1= 28 ÷ = 10 x = 90 x = 40 x = 10 63 ÷ = 12 ÷ = 20 ÷ = 3x 1= x = 35 x = 24 36 ÷ = 49 ÷ = 48 ÷ = x = 54 x = 56 x = 49 60 ÷ 10 = 10 ÷ = 30 ÷ = 10 x = 80 1x 0= x = 12 18 ÷ = 64 ÷ = 20 ÷ 10 = x = 72 x 10 = 10 2x 3= 40 ÷ = 45 ÷ = 30 ÷ = 5 x = 45 x = 42 0x 5= 35 ÷ = 54 ÷ = 81 ÷ = x = 27 x = 48 x = 28 Copyright: Math in English Page Copyright: Math in English Page Multiplication and Division Multiplication and Division Calculate Can you find the 10 multiples of in this word search? 35 ÷ = 24 ÷ = 45 ÷ = 90 ÷ = 10 30 ÷ = 12 ÷ = 49 ÷ = 9÷ 3= 36 ÷ = 50 ÷ 10 = 30 ÷ = 60 ÷ 10 = 6÷ 3= 32 ÷ = 81 ÷ = 15 ÷ = 10 ÷ = 16 ÷ = 42 ÷ = 30 ÷ = 90 ÷ 10 = 28 ÷ = 18 ÷ = 18 ÷ = 63 ÷ = 30 ÷ 10 = 35 ÷ = 63 ÷ = 48 ÷ = 14 ÷ = 45 ÷ = 56 ÷ = Page Copyright: Math in English Multiplication and Division Calculate Page 10 Copyright: Math in English Multiplication and Division Calculate x = 28 x = 18 45 ÷ = 24 ÷ = x = 35 4x 0= 36 ÷ = 36 ÷ = 4 x = 20 x = 48 18 ÷ = 36 ÷ = x = 14 x = 27 49 ÷ = 8÷ 2= 4 x = 32 x 10 = x = 40 24 ÷ = 10 ÷ 10 = 16 ÷ = x = 54 x = 30 70 ÷ 10 = 3÷ 1= 35 ÷ = x = 21 x = 10 63 ÷ = 12 ÷ = 25 ÷ = x = 56 x = 12 x = 63 32 ÷ = 42 ÷ = 24 ÷ = 6x 1= x = 40 50 ÷ 10 = 12 ÷ = 30 ÷ = 10 x = 10 4x 1= 10 x = 50 x = 36 x = 16 1x 4= 18 ÷ = 56 ÷ = 30 ÷ 10 = x = 25 x = 18 x = 15 30 ÷ = 54 ÷ = 48 ÷ = x = 24 x = 35 x = 12 56 ÷ = 63 ÷ = 72 ÷ = Copyright: Math in English Page 11 Copyright: Math in English Page 12 Multiplication and Division Multiplication and Division Calculate Calculate x = 20 x = 63 25 ÷ = 27 ÷ = x = 42 3x 2= 15 ÷ = 81 ÷ = x = 36 x = 18 36 ÷ = 16 ÷ = x = 21 x = 18 42 ÷ = 6÷ 3= x = 36 x 10 = 80 x = 16 24 ÷ = 20 ÷ 10 = 30 ÷ = 10 x = 20 x = 35 x = 15 50 ÷ 10 = 9÷ 3= 32 ÷ = 8 x = 40 x = 30 72 ÷ = 18 ÷ = 10 ÷ = x = 72 x = 64 x = 28 16 ÷ = 49 ÷ = 24 ÷ = 7x 0= x = 18 80 ÷ 10 = 32 ÷ = 12 ÷ = 4x 2= 10 x = 40 x = 48 x 10 = 30 1x 6= 18 ÷ = 81 ÷ = 90 ÷ 10 = x = 54 x = 49 0x 8= 35 ÷ = 56 ÷ = 56 ÷ = x = 24 x = 36 x = 24 14 ÷ = 54 ÷ = 64 ÷ = Page 13 Copyright: Math in English Multiplication and Division 12 15 16 18 19 4x9 = 2x7= 6x8= 7x6= 5x5= 5x3= 9x9= 4x8= 7x5= 11 3x7= 9x5= 2x8= 9x6= 2x6= 4x8= 5x5= 7x2= 4x9= Copyright: Math in English x = 16 x = 30 4x 0= x = 15 x = 48 x = 12 x = 27 x = 32 x 10 = 0 x = 40 x = 54 x = 30 x = 21 x = 10 x = 56 x = 12 x = 63 6x 1= x = 40 10 x = 10 4x 1= Down 12 13 14 15 16 17 18 19 20 x = 14 Across 10 11 14 17 1 5 20 10 13 2 8 Multiplication and Division Calculate Can you solve this crossword puzzle? Page 14 Copyright: Math in English 4x8 = 6x4= 3x 6= 5x 9= 6x8= 7x3= 3x4= 5x5= 9x9= 10 11 12 13 14 16 17 18 19 5x7= 4x9= 6x4= 6x7= 6x 2= 3x5= 7x 5= 4x6= 4x4= Page 15 10 x = 50 x = 36 x = 16 1x 4= x = 25 x = 18 x = 15 x = 24 x = 35 x = 12 Copyright: Math in English Page 16 Multiplication and Division Multiplication and Division Fill in the missing numbers Calculate 15 ÷ = 28 ÷ = x = 20 x = 63 42÷ = 45 ÷ = x = 42 3x 2= 14 ÷ = 32 ÷ = x = 36 x = 18 56 ÷ = 2÷ 2= x = 21 x = 18 24 ÷ = 10 ÷ 10 = 16 ÷ = 4 x = 36 x 10 = 80 x = 16 60 ÷ 10 = 4÷ 1= 35 ÷ = 10 x = 20 x = 35 x = 15 14 ÷ = 12 ÷ = 20 ÷ = 4x 2= x = 40 x = 30 32 ÷ = 42 ÷ = 24 ÷ = x = 72 x = 64 x = 28 40 ÷ 10 = 12 ÷ = 30 ÷ = 10 x = 40 7x 0= x = 18 18 ÷ = 56 ÷ = 30 ÷ 10 = x = 48 x 10 = 30 1x 6= 30 ÷ = 54 ÷ = 48 ÷ = x = 54 x = 49 0x 8= 56 ÷ = 63 ÷ = 72 ÷ = x = 24 x = 36 x = 24 Page 17 Copyright: Math in English Page 18 Copyright: Math in English Multiplication and Division Multiplication and Division Fill in the missing numbers Fill in the missing numbers 25 ÷ = 27 ÷ = 30 ÷ = 24 ÷ = 15 ÷ = 81 ÷ = 20 ÷ = 81 ÷ = 36 ÷ = 16 ÷ = 42 ÷ = 16 ÷ = 42 ÷ = 6÷ 3= 49 ÷ = 6÷ 3= 18 ÷ = 20 ÷ 10 = 30 ÷ = 30 ÷ = 20 ÷ 10 = 30 ÷ = 50 ÷ 10 = 9÷ 3= 32 ÷ = 50 ÷ 10 = 9÷ 3= 32 ÷ = 72 ÷ = 18 ÷ = 10 ÷ = 72 ÷ = 18 ÷ = 10 ÷ = 16 ÷ = 49 ÷ = 24 ÷ = 16 ÷ = 49 ÷ = 24 ÷ = 80 ÷ 10 = 32 ÷ = 12 ÷ = 80 ÷ 10 = 32 ÷ = 12 ÷ = 18 ÷ = 81 ÷ = 90 ÷ 10 = 18 ÷ = 81 ÷ = 90 ÷ 10 = 35 ÷ = 56 ÷ = 56 ÷ = 35 ÷ = 56 ÷ = 56 ÷ = 14 ÷ = 54 ÷ = 64 ÷ = 14 ÷ = 54 ÷ = 64 ÷ = Copyright: Math in English Page 19 Copyright: Math in English Page 20 [...]... (17 ) 17 + = 23 (11 ) 11 + = 17 (18 ) 12 + = 17 Copyright: Math in English Page 20 Answers page 1 Answers page 2 Calculate Calculate 12 + 9 21 33 + 18 51 24 + 17 41 21 - 10 11 43 - 12 31 35 - 14 21 55 + 36 91 72 + 9 81 46 + 25 81 56 - 25 31 78 - 7 71 40 - 19 21 17 + 34 51 78 + 13 91 26 + 25 51 20 + 41 61 14 + 47 61 77 - 36 41 23 - 12 11 84 - 23 61 90 - 49 41 64 - 33 31 33 + 28 61 44 + 47 91 15 + 76 91. .. - 49 41 64 - 33 31 33 + 28 61 44 + 47 91 15 + 76 91 41 + 20 61 19 + 22 41 33 - 22 11 54 - 23 31 75 - 14 61 41 - 20 21 89 - 28 61 32 + 9 41 43 + 8 51 54 + 17 71 88 + 3 91 72 + 19 91 30 - 9 21 43 - 12 31 54 - 3 51 88 - 47 41 72 - 11 61 65 + 16 81 45 + 26 71 43 + 18 61 87 + 4 91 23 + 48 71 65 - 14 51 46 - 25 21 53 - 12 41 87 - 6 81 90 - 29 61 Page 1 Copyright: Math in English Page 2 Copyright: Math in... subtraction! 17 25 44 11 11 17 7 11 7 20 17 11 12 7 11 11 59 44 25 32 32 32 32 44 12 10 0 - 88 green 10 0 - 75 red 10 0 - 68 white 10 0 - 56 pink Copyright: Math in English 10 0 - 83 yellow 10 0 - 41 dark green 10 0 - 89 orange 10 0 - 80 purple Page 15 Addition and Subtraction Calculate 55 + 44 33 + 16 27 + 12 58 + 11 72 + 17 46 + 23 37 + 32 78 + 11 26 + 23 20 + 49 14 + 45 36 + 23 47 + 42 15 + 74 41 + 28 44 +... 17 29 + 17 Down 16 18 + 18 19 7 + 18 21 25 + 50 23 9 + 77 25 14 + 31 27 28 + 21 28 12 + 25 2 4 5 7 9 11 13 15 + 23 8 + 19 53 + 18 28 + 17 25 + 15 87 + 7 56 + 7 15 17 18 20 22 24 26 24 + 38 8 + 59 12 + 26 5 + 49 12 + 46 29 + 35 37 + 16 Page 5 Copyright: Math in English 45 + 9 54 33 + 11 44 27 + 17 44 55 + 19 74 72 + 12 84 46 + 28 74 37 + 37 74 78 + 16 94 26 + 28 54 23 + 41 64 14 + 40 54 33 + 21 54 47... page 18 Calculate Calculate 11 + 9 20 12 + 8 20 14 + 6 20 76 - 4 73 81 - 14 67 35 - 18 17 16 + 14 30 12 + 18 30 14 + 16 30 55 - 18 37 78 - 33 45 62 - 23 39 24 + 16 40 23 + 17 40 26 + 14 40 27 + 13 40 18 + 22 40 76 - 39 37 50 - 12 38 84 - 27 57 80 - 42 38 54 - 26 28 37 + 13 50 24 + 26 50 15 + 35 50 33 + 17 50 19 + 31 50 32 - 26 6 74 - 26 48 75 - 27 48 41 - 14 27 69 - 21 48 39 + 21 60 49 + 11 60 46 + 14 ... Page 13 Calculate 11 + 9 12 + 8 14 + 6 16 + 14 12 + 18 14 + 16 24 + 16 23 + 17 26 + 14 27 + 13 18 + 22 37 + 13 24 + 26 15 + 35 33 + 17 19 + 31 39 + 21 49 + 11 46 + 14 25 + 35 42 + 18 48 + 22 44 + 27 43 + 27 62 + 8 23 + 47 Copyright: Math in English Page 18 Addition and Subtraction Calculate 76 - 4 81 - 14 35 - 18 55 - 18 78 - 33 62 - 23 76 - 39 50 - 12 84 - 27 80 - 42 54 - 26 32 - 26 74 - 26 75 - 27 41. .. 27 41 - 14 69 - 21 41 - 9 43 - 26 54 - 15 86 - 30 72 - 15 65 - 17 44 - 15 53 - 14 86 - 9 90 - 32 Copyright: Math in English Page 19 Addition and Subtraction Can you fill in the missing addends? (1) 12 + = 17 (2) 45 + = 53 (3) 8 + = 13 (4) 11 + = 20 (5) 23 + = 27 (12 ) 17 + = 25 (6) 16 + = 22 (13 ) 15 + = 24 (7) 16 + = 19 (14 ) 14 + = 23 (8) 10 + = 17 (15 ) 25 + = 34 (9) 22 + = 31 (16 ) 32 + = 40 (10 ) 29 +... Calculate Calculate 13 + 9 22 44 + 18 62 24 + 18 42 21 - 8 13 81 - 18 63 35 - 12 23 53 + 39 92 52 + 10 62 41 + 21 62 56 - 23 33 78 - 5 73 61 - 18 43 16 + 36 52 73 + 19 92 26 + 26 52 27 + 45 72 18 + 44 62 77 - 34 43 23 - 10 13 84 - 21 63 90 - 47 43 64 - 31 33 34 + 28 62 44 + 48 92 15 + 77 92 42 + 20 62 19 + 23 42 32 - 29 3 54 - 21 33 75 - 12 63 41 - 18 23 89 - 26 63 30 + 22 52 43 + 29 72 54 + 18 72 25 + 37... - 17 48 44 - 26 18 53 - 15 38 87 - 9 78 90 - 22 68 Page 13 Copyright: Math in English Page 14 Copyright: Math in English Answers page 17 Answers page 16 Calculate Calculate 55 + 44 99 33 + 16 49 27 + 12 39 35 - 16 19 43 - 24 19 35 - 16 19 58 + 11 69 72 + 17 89 46 + 23 69 66 - 27 39 78 - 9 69 40 - 11 29 37 + 32 69 78 + 11 89 26 + 23 49 20 + 49 69 14 + 45 59 67 - 38 29 83 - 14 69 87 - 28 59 90 - 41 49... 54 + 12 66 88 + 8 96 72 + 14 86 52 - 5 47 60 - 23 37 54 - 27 27 88 - 41 47 72 - 15 57 58 + 18 76 45 + 21 66 43 + 13 56 87 + 9 96 26 + 40 66 45 - 18 27 46 - 29 17 53 - 16 37 87 - 20 67 90 - 23 67 Copyright: Math in English Page 11 Copyright: Math in English Page 12 Answers page 14 Answers page 13 Calculate Calculate 88 + 9 97 40 + 17 57 24 + 13 37 76 - 8 68 81 - 13 68 35 - 17 18 56 + 31 87 52 + 15 67
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