#### Question 1

Round off the numbers to the nearest whole number and estimate the answer for each addition:

a | 21.95 + 56.24 is approximately equal to: | ||
---|---|---|---|

b | 27.31 + 70.82 is approximately equal to: | ||

c | 127.4 + 359.8 is approximately equal to: | ||

d | 342.96 + 199.8 is approximately equal to: | ||

e | 700.02 + 120.1 is approximately equal to: |

#### Question 2

Now, without using a calculator, set out the following calculations to find the sum in each case:

a | 21.95 + 56.24 = | ||
---|---|---|---|

b | 27.31 + 70.82 = | ||

c | 127.4 + 359.8 = | ||

d | 342.96 + 199.8 = | ||

e | 700.02 + 120.1 = |