Page 28 - Whole Numbers (Addition and Subtraction)

3. 1 000 can be formed by adding up three different multiples
of 100. For example:

1 000 = 300 + 200 + 500 and 1 000 = 600 + 100 + 300.

(a) Describe two other ways in which 1 000 can be formed by
adding up three different multiples of 100.
(b) Describe three different ways in which 1 200 can be
formed by adding up different multiples of 100.

4. How much is each of the following?
(a) 583 − 300 (b) 583 − 80

(c) 4 327 − 4 000 (d) 4 327 − 2 000
(e) 4 327 − 320 (f) 6 724 − 700
(g) 6 724 − 720 (h) 6 724 − 6 000
(i) 6 724 − 704 (j) 5 932 − 5 032

(k) 5 932 − 900 (l) 5 932 − 4 821
(m) 6 287 − 6 277 (n) 7 023 − 26

5. (a) Is it true that three R200 notes, two R100 notes, one R50
note, two R20 notes and one R10 note make up R1 000?
(b) How can R750 be made up with R200 notes, R20 notes and
R10 notes?

(c) Describe a different way to make up R750 with R200 notes,
R20 notes and R10 notes.

6. Daniel has R200 notes, R100 notes, R50 notes, R20 notes and
R10 notes.

Describe two different ways in which Daniel can make up
R800 with the notes, using at least one of each kind of note
he has. Use number sentences to describe the two ways.
7. (a) Willem has R1 000. He spends R300. How much is left?

(b) Sarah has R7 000. She spends R3 000. How much is left?

(c) Bongi has R3 000. She needs R7 000. How much money is
she short of?

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