Page 40 - Whole Numbers (Addition and Subtraction)

9.3 Solve problems

1. There are 128 lemons in the red box.
There are 248 lemons in the two boxes together.

(a) How many lemons are there in the green box?

(b) 38 lemons are moved from the red box to the green box.
How many lemons are left in the red box?

(c) How many lemons are there in the green box now?
2. Calculate.

(a) 248 − 128 (b) 128 − 38 (c) 120 + 38

3. Find the number that makes the number sentence true:
128 + . . . . = 248

4. Check to make sure that your answers for question 1 are
correct.

5. Farmer Cele has two farms. He calls them Farm A and Farm B.
He has 2 347 goats on Farm A.
Altogether, there are 5 479 goats on the two farms.

(a) How many goats are there on Farm B?
(b) Farmer Cele takes 1 234 goats from Farm A to Farm B.
How many goats are left on Farm A?

(c) How many goats are there on Farm B now?

6. Calculate.

(a) 5 479 − 2 347
(b) 2 347 − 1 234

(c) 3 132 + 1 234

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