Page 56 - Start Up Mathematics_1

Subtracting Zero or the Same Number

I have three glasses of juice. If I
give zero glasses to you. How many
glasses are left?
Three glasses.

Look at the given examples.

1. 3 – 0 = 3 2. 4 – 0 = 4

If I give all three glasses
to you, how many glasses
will I have?

Zero glasses.

Look at the given examples. Remember

1. 2 – 2 = 0 • Subtracting 0 from a number gives the

2. 6 – 6 = 0 same number.

• Subtracting a number from itself gives 0.
6 Fill in the blank boxes.

(a)

– =

3 3 0

(b)

– =

(c) 7 – = 7 (d) 9 – 9 = (e) – 6 = 0

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