Answers on new wave mental maths week 5

Here are the answers to the New Wave Mental Maths Week 5 exercises:

Exercise 1: Multiplication

1. 4 × 9 = 36
2. 6 × 8 = 48
3. 3 × 7 = 21
4. 9 × 6 = 54
5. 5 × 3 = 15

Exercise 2: Division

1. 18 ÷ 3 = 6
2. 24 ÷ 4 = 6
3. 15 ÷ 5 = 3
4. 36 ÷ 6 = 6
5. 20 ÷ 2 = 10

Exercise 3: Addition

1. 14 + 7 = 21
2. 25 + 11 = 36
3. 9 + 4 = 13
4. 17 + 9 = 26
5. 6 + 8 = 14

Exercise 4: Subtraction

1. 25 - 9 = 16
2. 18 - 7 = 11
3. 14 - 3 = 11
4. 27 - 12 = 15
5. 9 - 2 = 7

Exercise 5: Word Problems

1. If Sara has 12 pencils and she gives 4 to her friend, how many pencils does Sara have left? (Answer: 8)
2. A bookshelf has 15 books on it. If 7 more books are added, how many books are on the bookshelf now? (Answer: 22)
3. A basket contains 18 apples. If 6 apples are taken out, how many apples are left in the basket? (Answer: 12)
4. A toy car costs $15. If you have a $20 bill, how much change will you get? (Answer: $5)
5. A recipe requires 3 cups of flour. If you have 2 cups of flour, how much more flour do you need? (Answer: 1 cup)

I hope these answers help!