B Mathematics Stonelaw High School Home Learning Blue Course Homework 1 – Length and Area 1 1. How many millimetres are there in:a) 6 cm 2. b) 5.2 cm c) 0.8 cm Using a ruler measure and write down the length and breadth of each of the rectangles in millimetres. Then calculate the perimeter of each rectangle, showing all working. breadth A breadth B length length 3. Floorboards are 83 mm wide. 83 mm What is the width of 8 floorboards? 4. This road sign gives the distance from Alton to various towns along the B57 road. How many miles is it from:a) Alton to Dunby? b) Bolton to Credar? c) Credar Dunby? 1 B57 (miles) Bolton Credar Dunby Elgar Rye 9 22 26½ 35 46 Homework 2 – Length and Area 2 1. Using a ruler, make a neat sketch of each shape shown below (not full size). Calculate the area of each shape, showing all working. Start each example by using the formula 𝐴 = 𝑙𝑏 and don’t forget units. 8m a) 7 cm b) 4m 2. 7 cm Using a ruler, make a neat sketch of the shape shown below (not full size). 14 cm x cm 6 cm A B 4 cm 20 cm a) What is the value of x? b) Calculate the areas of rectangles A and B, showing all working. c) Calculate the total area for the composite shape, showing all working. 8m 3. The composite shape shown is made up from two rectangles. Calculate its area, showing all working. 8m 24 m 12 m 2 Homework 3 – Length and Area 3 1. The composite shape shown is made up from three rectangles. 100 mm 70 mm Calculate its area, showing all working. 20 mm 2. 80 mm 20 mm Using a ruler, make a neat sketch of the right angled triangles shown 1 below. Start each example by using the formula 𝐴 = 2 𝑏ℎ and don’t forget units. a) 8m b) 9m 7 cm 26 cm 3. The composite shape shown below is made up from one rectangle and two identical right angled triangles cut from the 6 cm rectangle. 12 cm 6 cm 25 cm Calculate the shaded area, showing all working. 3 Homework 4 – Long Multiplication 1. Find: a) 456 x 52 b) 923 x 71 c) 319 x 48 d) 893 x 23 e) 156 x 85 f) 275 x 74 Homework 5 – Long Division 1. Find: b) 276 ÷ 23 b) 660 ÷15 c) 391 ÷ 17 d) 3328 ÷ 26 e) 2925 ÷ 13 f) 2208 ÷32 Homework 6 – More multiplying and dividing 1. Find the answers to the following without using a calculator. a) 0.32 × 10 b) 9 857 × 100 c) 12.832 × 1000 d) 79.809 × 300 e) 584 × 40 f) 0.00769 × 5000 2. Find the answers to the following without using a calculator. a) 99.2 ÷ 10 b) 1094.3 ÷ 1000 c) 1765.2 ÷ 100 d) 189 800 ÷ 2000 e) 3.663 ÷ 90 f) 121.84 ÷ 400 4 Homework 7 – Circles 1. For the circles shown below write down the size of the diameter and the radius. a) b) 7.4 cm 2. c) For each of the circles shown below calculate the size of the circumference, showing all working. a) b) c) 20 cm 3. 2.6 cm 68.4 mm 32 mm A circle has a circumference of 628 mm. Calculate the diameter of this circle. 5 15 cm Homework 8 – Volume and Surface Area 1. Calculate the volumes of the following cuboids. (remember the units!) 3m 15cm 9cm 4.2m m 10.5m 11cm 2. How many millilitres are there in :a) 1 litre 3. b) ½ litre c) ¼ litre d) ¾ litre e) 1/5 litre ? a) Calculate the volume of this cuboid in millilitres 20ml 25ml 40ml b) Now change your answer to litres. 4. A lady had oil delivered for her central heating tank when the tank was empty. a) If the tank were filled to the top, how much oil would it hold? OIL TANK b) If oil costs £0.80 per litre, calculate the cost of filling the tank. 40cm 50cm 60 cm 6 Homework 9 – Decimals 1 1. 2. Copy and complete the following, showing all working:a) £2.45 + £1.36 b) £3.65 + 75p c) 82p + £1.42 d) 1.72m – 1.26m e) 4.31m – 0.45m f) 1.34m – 62cm I bought two copies of “Computer Monthly” at £4.85 each and one copy of the “Glasgow Herald” at 70p. How much change did I receive from a £20 note? (Show all working) 3. Calculate the perimeter of this shape, showing all working. 1.62 m 1.48 m 58 cm 1.76 m 4. Calculate the following:a) 6.52 x 7 b) 8.13 x 9 c) 2.27 x 4 d) 10.11 ÷3 e) 9.36 ÷ 6 f) 28.35 ÷ 5 7 Homework 10 – Decimals 2 1. 2. Round each number to one decimal place and then estimate the following:a) 6.287 + 2.539 b) 8.731 – 2.599 c) 0.897 + 3.642 d) 2.387 + 0.775 e) 11.888 – 7.629 f) 4.84 + 3.296 A local DIY store stocks planks of wood in three different lengths, as follows:- 0.95m 1.76m 2.84m a) What is the total length of 20 of the smallest planks? b) What is the total length of 300 of the largest planks? Homework 11 – Fractions 1 What fraction of each shape is shaded. Simplify the fraction where possible. A B C E F G H I J 8 D Homework 12 – Fractions 2 1. Write four other fractions which are equivalent to the fractions given a) 2. 2 b) 3 4 5 Simplify these fractions where possible (there is one that cannot be simplified). a) 28 b) 32 35 45 c) 19 d) 46 Homework 13 – Fractions 2 1. Carry out the following calculations. a) 2. 1 3 of 1863 b) 1 5 of 2435 Carry out the following calculations. a) 3 4 of 2092 b) 9 2 7 of 1715 21 49 Homework 14 – Bearings 1. Write down the bearing of each of these directions a) West c) North West 2. For a) to d) below, estimate the bearing on which each plane is flying. (There is no need for a protractor to estimate the bearing) a) c) b) South East d) South b) North d) North 10 North North