Đang tải... (xem toàn văn)
(b) How many squares would there be in a 4 by 5 rectangle? Answer 11 Find the area of the shape below, using the dimensions given The shape has a horizontal line of symmetry but is not drawn to scale[.]
(b) How many squares would there be in a by rectangle? Answer ………………………… 11 Find the area of the shape below, using the dimensions given The shape has a horizontal line of symmetry but is not drawn to scale SA 25cm M 22cm 30cm PL Answer ……………………… 12 (a) Shaun went to the shops to buy sweets for his class He bought packets of lemon drops for 87p each and packets of lollipops for 95p each E How much change did Shaun get if he took £15 to the shops? Give your answer in pounds and pence Answer ………………………… Copyright © Examberry Papers 22 A survey of 50 children was taken about hair colour 19 girls had brown hair 22 of the children were boys boys had red hair girls and boys had blonde hair Complete the table below SA Hair colour Boys Brown hair 23 Girls Total 19 Red hair Blonde hair Total 22 50 (a) PL M (a) Which, if any, of the following shapes have no lines of symmetry? Write the letters on the line below (b) (d) E Answer ………………………… (c) (b) What is the difference between the order of rotational symmetry of shape (b) and shape (c)? Answer ………………………… Copyright © Examberry Papers 22 Three prime numbers can be multiplied to make 231 What are they? Answer …………… 23 …………… …………… SA In the table below, each symbol represents a number The numbers in the right-hand column represent the total value of each row The numbers in the bottom row represent the total value of each column What number does each symbol represent? ¥ ᴥ β ᴥ y ¥ ¥ β ᴥ 26 24 28 x 36 ᴥ = ………………….β = ………………… ¢ = ………………… ¥ = ………………… x = ………………… y = ………………… It takes people hours to paint wall How long would it take people to paint wall? Answer Copyright â Examberry Papers E 24 Ơ ¢ ᴥ 25 PL M ᴥ β ¢ ᴥ 29 Maths Test Paper – Answers 1904 : easiest way is the shopkeeper method – count up from the low number 30 gets you to 7000 then you have another 1874 → 1874 + 30 = 1904 2488 : no shortcuts here – use the ‘bus stop’ method 1.01: Ensure you put numbers in columns with the decimal point in the right place Add 0.23 to 0.7 and 0.08 Add as usual, keeping the decimal point in place (a) 18cm: There are of course thirds so divide baguette length by (54 cm) for tuna = 18cm (b) 12cm: 18cm tuna so (54 – 18) = 36cm of cheese A third of 36cm is 12 That’s what Anna eats SA 56: Each number is less than previous one so subtract from 63 and you get 56 1: Need big numbers to multiply and get 132 so start with biggest pair that add to give 23 → 11 + 12 These multiply to give 132 so don’t need to try 10 + 13 etc 228: ÷ 12 is a half → half of 456 is 228 373 goldfish: Add 23, 42 and 65 You get a loss of 130 but you have 75 new fish so overall you lose 55 428 - 55 =373 1st place: Dan 2nd place: Jenny 3rd place: Pierre 4th place: Lola Key here is Pierre places after Dan → Dan (one person) Pierre Who is between D and P? If it’s Lola then Jenny has to be first but Lola isn’t third Must be Jenny between D & P so poor Lola came last PL M 10 (a) 20 squares: Single squares easily counted as x = 12 If you look at the top rows you could fit squares of little squares You could fit another of these in the 2nd + 3rd rows so now you have of these x squares Finally, you could fit big (3 x 3) squares That makes 12 + + = 20 Phew! Do you begin to see a pattern in the table? E (b) 40 squares: 20 (5 x 4) single squares; Enter this value in the table There is a pattern here Every row ends with & and we have a diagonal pattern where the numbers are the same sloping from top left to bottom right The missing figures for the (4x5) row must be 12, & making a total for the row of 40 Would a x grid contain 112 squares? 11 992cm2 : Divide the shape into a rectangle at the left and a right-angle triangle at the right Area of rectangle: (25cm x 30cm = 750cm2) plus area of a right-angle triangle = ½ x 22 x 22 = 242cm2 Then add them both together and you get 992cm2 12 (a) £4.87: x 87p = £3.48, x 95p = £6.65 Total = £10.13 Take that from £15.00 Change = £4.87 (b) 55p: x 87p = £5.22 £6.87 - £5.22 = £1.65 So gobstoppers cost £1.65 £1.65 ÷ = 55p Copyright © Examberry Papers ... rectangle: (25 cm x 30cm = 750cm2) plus area of a right-angle triangle = ½ x 22 x 22 = 24 2cm2 Then add them both together and you get 992cm2 12 (a) £4.87: x 87p = £3.48, x 95p = £6.65 Total = £ 10. 13... get 1 32 so start with biggest pair that add to give 23 → 11 + 12 These multiply to give 1 32 so don’t need to try 10 + 13 etc 22 8: ÷ 12 is a half → half of 456 is 22 8 373 goldfish: Add 23 , 42 and... Papers E 24 Ơ Â 25 PL M ¢ ᴥ 29 Maths Test Paper – Answers 1 904 : easiest way is the shopkeeper method – count up from the low number 30 gets you to 700 0 then you have another 1874 → 1874 + 30 =