1. Decimals MultiplicationWhat will we learn today? multiplication of decimals (up to 2 decimal places) by a 1-digit whole number

2. In the previous lectures, we have learnt aboutaddition and subtraction in decimals. Lets recap!

3. Applyingwhat we have learnt

4. Try this out!Mr Li used 2.5kg of rice on Monday and 1.75 kgon Tuesday. He used a total of 9 kg Monday andWednesday. How much rice did he use onWednesday?

5. SolutionMr Li used 2.5kg of rice on Monday and 1.75 kgmore on Tuesday. He used a total of 9 kg fromMonday to Wednesday.How much rice did he use on Wednesday? Step 1: 2.5kg + 1.75kg =___kg

6. SolutionMr Li used 2.5kg of rice on Monday and 1.75 kgmore on Tuesday. He used a total of 9 kg fromMonday to Wednesday.How much rice did he use on Wednesday? 2.50 + 1.75 Step 1: 2.5kg + 1.75kg = 4.25kg He used 4.25kg of rice on Tuesday.

7. SolutionMr Li used 2.5kg of rice on Monday and 1.75 kgmore on Tuesday. He used a total of 9 kg fromMonday to Wednesday.How much rice did he use on Wednesday? 2.50 + 4.25 Step 2: 2.5kg + 4.25kg = 6.75kgHe used 6.75kg of rice on Monday and Tuesday.

8. SolutionMr Li used 2.5kg of rice on Monday and 1.75 kgmore on Tuesday. He used a total of 9 kg fromMonday to Wednesday.How much rice did he use on Wednesday? 9.00 - 6.75 Step 3: 9.00 kg - 6.75kg = 2.25 kg He used 2.25kg of rice on Wednesday.

9. Multiplication in decimals

10. Try this out!1. The length of ribbon A is 10.08 m. Ribbon B is 3 times as long as ribbon A. Find the length of ribbon B.

11. Try this out!1. The length of ribbon A is 10.08 m. Ribbon B is 3 times as long as ribbon A. Find the length of ribbon B.Lets draw models to help us visualize the scenario.

12. Try this out!1. The length of ribbon A is 10.08 m. Ribbon B is 3 times as long as ribbon A. Find the length of ribbon B. 10.08m A

13. Try this out!1. The length of ribbon A is 10.08 m. Ribbon B is 3 times as long as ribbon A. Find the length of ribbon B. 10.08m A B

14. Try this out!1. The length of ribbon A is 10.08 m. Ribbon B is 3 times as long as ribbon A. Find the length of ribbon B. 10.08m A B ?

15. Try this out!1. The length of ribbon A is 10.08 m. Ribbon B is 3 times as long as ribbon A. Find the length of ribbon B. 10.08m 10.08 x 3 =_____m A B ?

16. Do multiplication workings accordingly 10.08 x 3

17. Do multiplication workings accordingly +2 10.08 x 3 4

18. Do multiplication workings accordingly +2 10.08 x 3 24

19. Do multiplication workings accordingly 10.08 x 3 .24Place the decimal place in a straight line.

20. Do multiplication workings accordingly 10.08 x 3 0.24

21. Do multiplication workings accordingly 10.08 x 3 30.24

22. Try this out!1. The length of ribbon A is 10.08 m. Ribbon B is 3 times as long as ribbon A. Find the length of ribbon B. 10.08m 10.08 x 3 =30.24m A B 30.24m

23. Are you ready to try out the questions?

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