Jossey-Bass Teacher - Math Wise Phần 2 docx

... to Dot Paper Fraction Problems 1. 1 4 3 12 = 6 24 = 2. a. 1 /2 b. 1/3 c. 1/18 d. 1/8 e. 1/6 f. 1/3 3. a. 2/ 9 b. 2/ 12 = 1/6 c. 3/9 = 1/3 d. 1/6 e. 2/ 5 f. 7/10 g. 8/14 = 4/7 h. 10/14 = 5/7 Dot ... Paper Dia- grams’’ page. Sample Problem: Show that 1 /2 = 3/6 = 12/ 24. 1 3 2 6 4 12 == Dot Paper Fractions 37 Chapter 13 Fraction Cover-Up or Un-Cover Grades 3–8 Ⅺ Total group act...

Ngày tải lên: 07/08/2014, 04:21

... X 76. Post-it Statistics X X X X X X X X 77. A Postal Problem X X X X X X X X 186 189 194 196 20 3 20 6 20 9 21 1 21 4 21 9 22 3 22 8 23 2 23 5 23 8 24 2 24 7 25 0 25 4 26 0 27 1 27 4 27 8 28 1 28 5 28 8 29 0 29 4 29 7 Contents ... 29 , 32, 34, 45, 48, 49, 52, 55, 56, 59, 67, 72, 75, 82, 84, 98, 101, 1 02, 123 , 126 , 134, 156, 164, 171, 183, 198, 20 7, 21 2, 22 5...

Ngày tải lên: 07/08/2014, 04:21

... how they can be certain of the correct outcome. 1. 3 +5 2. 4 +7 3. 2 +2 +2 +2 4. 4 2 5. 2 × 4 6. 4 ×6 7. 5 ×8 8. 6 ×6 9. 4 × 9 10. 3 × 12 After they have completed these problems, have students ... set of four games are: Game 1, 24 ; Game 2, 81; Game 3, 89; Game 4, 15. 84 Making Sense of Numbers Copyright © 20 10 by John Wiley & Sons, Inc. 9 81 36 25 27 GAME 2 NUMBER CAR...

Ngày tải lên: 07/08/2014, 04:21

... 2 0 ·3 1 = 3 2 0 ·3 2 = 9 1 2 1 ·3 0 = 2 2 1 ·3 1 = 6 2 1 ·3 2 = 18 2 2 2 ·3 0 = 4 2 2 ·3 1 = 12 2 2 ·3 2 = 36 Therefore, the factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. Extensions: 1. ... numbers 23 , 16, 8, and 12 for this Sub- traction Square. 23 7 16 12 4 8 Step 1 11 8 23 7 4 1 7 4 16 12 4 8 Step 2 11 8 23 7 4 13 3 33 7 4 16 12 4 8 Step 3 11...

Ngày tải lên: 07/08/2014, 04:21

... Fractions 11 1 1 1 1 3 8 5 4 7 6 9 8 7 8 5 8 2 3 1 2 1 3 2 3 1 4 3 4 1 8 3 8 5 8 7 8 1 6 5 6 5 4 1 3 3 4 1 4 4 3 3 4 5 6 1 2 9 8 3 2 3 4 3 2 7 6 9 8 3 4 3 2 7 8 5 3 4 3 5 8 1 2 7 8 7 8 1 2 5 6 9 8 29 24 37 24 11 24 11 8 7 12 13 8 13 12 25 24 11 12 11 8 19 12 23 24 13 12 31 24 19 24 13 24 41 24 35 24 19 24 17 12 17 24 29 24 25 24 7 24...

Ngày tải lên: 07/08/2014, 04:21

... SQUARE INTO 1/2S.) 2. The students next will design a 2- by 2- inch quilt pattern, with 1 /2 in one color and the other 1 /2 in another. To do this the students will need a 2- by 2- inch piece of ... being worn, and so on.) 21 2 Investigations and Problem Solving (1-STORY DESIGN OF 4 × 2 × 1) (4-STORY DESIGN OF 2 × 1 × 4) (4-STORY DESIGN WITH 2 × 1 × 2 AND 1 × 1 × 2) Exten...

Ngày tải lên: 07/08/2014, 04:21

... 12 feet, but their areas are quite different. 3′ 4′ 5′ 5′ 1′ 1′ 4′ 2 2 3′ 3′ 3′ Perimeter = 12 ft. Area = 9 sq. ft. Perimeter = 12 ft. Area = 8 sq. ft. Perimeter = 12 ft. Area = 5 sq. ft. 28 6 ... of students to put their Post-its above their estimated 29 4 will she fill with 54 pho- tographs? (9 pages) 31. Jim practiced on his trum- pet for 25 minutes on Tues- day and 15 minutes on...

Ngày tải lên: 07/08/2014, 04:21

... answer to this prob- lem is 1 /2( − $2) +1/4(− $2. 50) +1/8($1) + 1/16($7) +1/16($9) = 1 /2( 2) + 1/4(−5 /2) + 1/8(1) + 1/16(7) + 1/16(9) =−1 − 5/8 + 1/8 +7/16 + 9/16 =−1 − 4/8 +1 =−4/8 =−1 /2 =−$0.50. 3. ... doghouse model using a 4- by 8-inch piece of tagboard. 2. Provide each student with a piece of graph paper and have them use their rulers and pencils to mark a 4-inch by 8-inch bord...

Ngày tải lên: 07/08/2014, 04:21

... 1 2 3 4 5 6 Holes Added 0 3 9 27 Total Holes 1 4 13 40 Solutions: PAPER FOLDS AND THICKNESSES Folds 0 1 2 3 4 5 6 7 8 9 10 Thicknesses 1 2 4 8 16 32 64 128 25 6 5 12 1, 024 Rule Applied 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10 Rule: ... 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10 Rule: The number of paper thicknesses = 2 n ,wheren...

Ngày tải lên: 07/08/2014, 04:21

... instructions, 147–148 Sugar Cube Buildings, 21 9 22 2; example, 22 0 22 1; extensions, 22 1; instructions, 22 0; 3-D drawing paper, 22 2 T Tabletop spinner games, 139–1 42 Target a Number, 74–76; example, 75; ... Probability, 23 8 24 0; Plan a Circuit Board, 414–415; Problem-Solving Plan, 24 2 24 6; Restaurant Menu Math, 23 5 23 7; 22 Wheels and 7 Kids, 415; Watermelon Math, 23 2...

Ngày tải lên: 07/08/2014, 04:21