Question 1

1. 2.5 + 3.9 = 6.4

- O.1 from the 2.5 = 2.4, then you +0.1 to the 3.9= 4.0. Add it all together and the answer is 6.4

2. 4.6 + 1.8 = 6.4

-0.2 from the 2.8 = 2.6, they you +0.2 to the 1.8. Add it all together and the answer is 6.4

3. 3.1 + 2.5 = 9.4

-0.1 from the 3.1 = 3.0, then you + 0.1to the 6.3 = 6.4. Add it all together and the answer is 9.4

4. 2.8 + 2.5 = 5.3

-0.2 from the 2.8 = 2.6, then you +0.2 to the 2.5 = 2.7. Add it all together and the answer is 5.3.

5.4.8 + 6.7 =

- 0.2 from the 4.8 = 4.6, then you + 0.2 to the 6.7 = 6.9. Add it all together and the answer is 11.5

6.1.37 + 4.5 = 18.2

-0.3 from the 3.7 = 13.4, then you + 0.3 to the 4.5 = 4.8. Add it all together and the answer is 18.2

7. 5.8 + 4.6 = 10.4

- 0.2 from the 5.8 = 5.6, then + 0.2 to the 4.6 = 4.8. Add it all together and the answer is 10.4

8. 9.9 + 4.6 =

-0.1 from the 9.9 = 9.8, then you + 0.1 to the 4.6 = 4.7. Add it all together and the answer is 14.5

9.6.6 + 8.8 = 15.4

-0.2 from the 6.6 = 6.4, the you + 0.2 to the 8.8 = 9.0. Add it all together and the answer is 15.4.

10. 4.2 + 5.8 = 10.0

- 0.2 from 4.2 = 4.0, the you + 0.2 to the 5.8 = 6.0. Add it all together and the answer is 10.0

11. 7.3 + 7.5 =

- 0.3 from the 7.3 = 7.0, then you + .3 to the 7. 5 = 7.8. Add it all together and the answer is 14.8

12.11.1 + 6.8 = 17.9

-0.1 from the 1.1 = 0.1, then you + 0.1 to the 6.8 = 6.9. Add it all together and the answer is 17.9

13.5.8 + 9.3 =

- 0.2 from the 5.8 = 5.6, they you + 0.2 to the 9.3 = 9.5. Add it all together and the answer is 15.1

14.7.2 + 8.4 = 15.6

- 0.2 from the 7,2 = 7.0, the you + 0.2 to the 8.4 = 8.6. Add it all together and the answer is 15.6

15. 13.5 + 8.4 = 22.5

-01 from the from the 13.6 = 13.5, the you + .1 to the 8.9 = 9.0. Add it all together and the answer is 22.5

Question 2

1. 6.5 + 8.1 = 14.6

+ 0.5 - 0.5

7.0 + 7.6 = 14.6

2. 9.3 + 7.4 = 16.7

- 0.6 0.6

8.7 + 8.0 = 16.7

3. 6.7 + 8.3 = 14.0

+ 0.3 - 0.3

7.0 + 8.0 = 14.0

4. 4.8 + 12.3 = 17.1

+ 0.2 - 0.2

5.0 + 12.1 = 17.1

5. 7.7 + 2.6 = 10.3

+ 0.3 - 0.3

8.0 + 2.3 = 10.3

6. 12.4 + 12.9 = 24.3

- 0.1 + 0.1

12.3 + 13.0 = 24.3

7. 9.8 + 8.8 = 18.6

+ 0.2 -0.2

10.0 + 8.6 = 18.6

8. 7.3 + 12.4 = 8.1

- 0.6 + 0.6

5.1 + 3.0 - 8.1

9. 15.3 + 3.7 = 19.0

- 0.3 +0.3

15.0 + 4.0 = 19.0

Word Problems

Word Problems

I have 3.7 metres of rope and i found another 7.8 meters of rope. How much rope do I have?

3.7 + 7.8 = 11.5

+0.2 to the 7.8 = 8.0, then you -0.2 from the 3.7 = 3.5. Add it all together and the answer is 11.5

2. Andrew weighs 45.6 kilograms and his cat weighs 4.8 kilograms. How much do they both weigh in total?.

45.6 + 4.8 = 50.4

+ 0.2 to the 4.8 = 5.0, then you - 0.2 from the 45.6 = 45.4.Add it all together 50.4

3.Sarah was 1.3 metres tall but she has grown another 0.3 metres this year.How tall is she now.

1.3 + 0.3 = 1.6

+ 0.7 to the 0.3 - 1.0, then you - 0.7 from the 1.3 = 0.6

.6. Add it all together and the answer is 1.6

4.. A designer uses 4.6 metres of blue fabric and 12.3 metres of red fabric. How much fabric has she used in total.

4.6 + 12.3 = 16.9

+ 0.4 to the 4.6 = 5.0, then you - 0.4 from 12.3 = 11.9. Add it all together and the answer is:16.9

5. To create a long red carpet two carpets two carpets are placed together. One is 12.2 metres long the other is 14.5 metres long, How long is the red carpet in total?.

12.2 + 14.5 = 26.7

- 0.5 from the 12.2 - 11.7, then you + 0.5 to the 14.5 = 15.0. Add it all together and the answer is 26.7.

6. My car has 33.4 litres of petrol in it. Add another 7.5 litres of petrol. How much petrol is in my car now?

33.4 + 7.5 = 40.9

-0.5 from the 33.4 = 32.9, then you + 0.5 to the 7.5 - 8.0. Add it all together add the answer is 40.9

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