Active Maths CB G3 Inside_LR

Exercise 7 b) 1. Find the value of: a) 1 of 6 = 1 of 12 = 2 3 c) d) SCHOLASTIC 1 of 10 = 1 of 16 = 2 4 Look at the picture. Then, fill in the blank. 1 of = 12 3 Practice 3 1. Look at the given pictures. Tick the fractions that are correct. Correct the fractions that are incorrect. a) 5 of the aeroplanes 6 © 2019 Scholastic Education International (S) Pte Ltd ISBN 978-93-52750-16-0 155

b) 7 of the apples 10 c) 3 of the buttons 8 d) SCHOLASTIC6oftheballoons 12 2. Equal groups of crayons are given. Write the fraction of groups circled. a) b) c) d) 3. Find the value. Then, colour. 1 of 8 triangles a) 21 of 6 stars b) 4 c) 31 of 9 circles d) 1 of 8 squares 2 156 © 2019 Scholastic Education International (S) Pte Ltd ISBN 978-93-52750-16-0

I know how to find one-half of a collection write a fraction for a part of a collection find one-fourth of a collection find one-third of a collection 4  Word Problems There were 10 cupcakes in a box. Abdul ate 3 cupcakes. What fraction of the cupcakes are left? 1 Understand There were 10 cupcakes. Abdul ate 3 cupcakes. I have the problem. to find the fraction of cupcakes eaten by Abdul first. SCHOLASTIC 2 Plan Draw a bar model to solve the problem. what to do. 3 Work out the eaten left Answer. ? 3 out of 10 cupcakes were eaten. 3 of the cupcakes were eaten. 10 3 Find a fraction that makes 1 whole with 10 . 3 and 7 make 1 whole. 10 10 7 of the cupcakes are left. 10 4 Check If 3 out of 10 cupcakes were eaten, 10 – 3 = 7 if your answer ­cupcakes were not eaten. is correct. This means 7 out of 10 cupcakes were left. My answer is correct. 1 . Understand 2 . Plan 3 . Answer 4 . Check © 2019 Scholastic Education International (S) Pte Ltd ISBN 978-93-52750-16-0 157

Exercise 8 Solve the word problems. Draw bar models or pictures to help you. 1 . Understand 2 . Plan 3 . Answer 4 . Check 1. Meeta read 4 out of the 8 pages of a newspaper. Karen read 2 more pages than Meeta. What fraction of the newspaper did Karen read? 2. Divya had 20 apples. She and her friends ate 1 of them. How many apples were left? 2 3. Richa had ` 40. She spent 1 of it to buy a pencil. She donated 1 4 2 of the remaining amount to charity. How much money did Richa SCHOLASTIC donate? I know how to solve up to 2-step word problems on fractions Chapter Review 1. Write the fraction of each figure that is shaded. a) b) c) 2. Match each pair of fractions that makes 1 whole. 153 73 3 12 7 10 5 • • • • • • • • • • 7 42 23 12 7 5 3 10 158 © 2019 Scholastic Education International (S) Pte Ltd ISBN 978-93-52750-16-0

3. Write the fraction in figures and in words for the given statements. Statement Fraction in Fraction in figures words a) 1 boy and 1 girl are walking on the road. The fraction of children who are boys is b) There are 5 apples and 6 oranges in a fruit basket. The fraction of oranges is c) Amit has 4 pants and 5 shirts. The fraction of pants is SCHOLASTICd) Mita has 6 pencils and 2 erasers. The fraction of pencils is e) There are 2 tables, 8 chairs and 2 stools at a party. The fraction of chairs is 4. There are 5 groups of toy cars. Tick the correct statements. 1 23 4 5 a) 25 of the groups have red toy cars. b) 35 of the groups have toy cars of the same colour. c) 52 of the toy cars in Group 1 are red. d) 33 of the toy cars in Group 3 are green. 5. There are 12 pencils in a box. 4 of them are red. What f­raction of pencils are not red? © 2019 Scholastic Education International (S) Pte Ltd ISBN 978-93-52750-16-0 159

6. Kelly, Tara, Latika, Simon and Ron each has a white piece of paper covered with patches of patterns. The picture shows some pieces of paper and the fraction of the pieces of paper that is not covered by patches. 1 6 21 1 81 4 32 A B CD E Who does each piece of paper belong to? Clues: • The same amount of space on Kelly’s and Latika’s paper is not ­covered by patches. • Kelly’s paper has fewer patches than Latika’s. • Simon’s paper has the least space not covered by patches. • Less of Ron’s paper was covered by patches than Tara’s. SCHOLASTIC 7. Rohit has 12 toys. Mohit has 16 toys. 1 of Rohit’s toys and 1 of Mohit’s 3 4 toys are cars. Who has more cars? 8. Tisa31runfupll.oOunrsejugiclaessinisto143fuidlle. Wnthicicahl gglalassssehs.aOs ntheegmlaossstisq12uafunltli.tyOonfejugiclaes?s Give reasons for your a­ nswer. Maths Lab Activity Finding fractions of a collection Take a jar with beads of different colours. Take out a handful of beads from the jar. Find the fraction of each colour of beads picked. For example, If a student picks 5 beads of which 2 are red, 1 is blue and 2 are yellow, then, the fractions of red, blue and yellow beads are 2 , 1 and 2 , respectively. 5 5 5 160 © 2019 Scholastic Education International (S) Pte Ltd ISBN 978-93-52750-16-0