Page 57 - Whole Numbers (Addition and Subtraction)

5. Your answers for questions 4(a) and 4(c) should be the same,
and your answers for questions 4(b) and 4(d) should be the
same. If this is not the case, you have made mistakes.

Go back to what you have written when you did the
calculations and find your mistakes. Correct them.

6. Do the calculations inside the brackets first when you do these
calculations.
(a) (2 964 + 1 036) + (3 588 + 2 412)

(b) (5 257 + 2 642) − (3 578 − 1 432)

(c) (5 257 + 2 642) − (3 578 + 1 432)

7. Compare your answers for question 6 with your correct
answers for question 4. Write down what you notice.

8. A cyclist has covered 1 456 km of a 2 745 km journey. How far
does he still have to go?
9. Jerry paid off some of his study debt. He now owes R6 735 of
an amount of R9 758. How much did he pay off?

10. 1 768 elephants in a game reserve died of disease, and now
there are 6 577 elephants left. How many elephants were there
before the disease started?

11. There are 9 283 registered voters in a certain area. 7 587 votes
were cast during a municipal election. How many registered
voters did not cast their votes?

12. Candidate A received 8 843 votes during an election, and
Candidate B received 9 224 votes. By how many votes did
Candidate B win?
13. Mr Nhlapo has to pay R1 286 school fees for each of his three
children in high school. He also has to pay R874 for each of his
four children in primary school. How much is that in total?

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