Page 26 - Whole Numbers (Addition and Subtraction)

In all the questions below, make an estimate of the answer before
you do the accurate calculations. Write your estimates down.

3. Johannes has 168 peach trees, 392 plum trees and 279 pear
trees in his orchard. How many fruit trees are there altogether?
4. Out of the 902 children in a school, 507 are boys. How many
girls are there in the school?

5. What number is missing from this number sentence?

902 = 507 +

6. John saved R374 for a bike in one year. The next year he saved
another R536. How much did he save over the two years?
7. What number is missing from 308 + = 855?

8. A farmer has already pruned 308 of her 855 peach trees. How
many trees must she still prune?

9. Write a number sentence, such as in question 5 or 7, that will
have the same answer as the question below.

During the year, 324 houses were built in a housing
development. At the end of the year there were 713 houses.
How many houses were there at the beginning of the year?
10. After Rallai had withdrawn R275 of his savings, there was still
R428 left. How much money did he originally have in his
savings account?

11. Shop A sold 462 hamburgers and Shop B sold 148 hamburgers
more. How many hamburgers did Shop B sell?

12. Jan has saved R568. He wants to buy a jacket that costs R734.
How much more must he save?

13. Katharina grows pumpkins on her plot. Last month she
harvested 867 pumpkins and sold 235 to shops in her village.
She sent the rest to the fresh produce market in Durban. How
many pumpkins did she send to the market?

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