Page 62 - Start Up Mathematics_1

Addition Using Expanded Form

To add the given numbers using the expanded form, follow these steps.

• Write each number in the expanded form.

• Add the values at each place.

• Find the sum of the added values.

Look at the given examples.

T O Expanded form H T O
1. 5 6 50 + 6 1 2 0
Step 1

+ 7 8 + 70 + 8 + 1 4

Step 2 120 + 14 Step 3 1 3 4

So, 56 + 78 = 134.

H T O Expanded form H T O
Step 1
2. 4 3 7 400 + 30 + 7 9 0 0

+ 5 4 8 + 500 + 40 + 8 7 0

Step 2 Step 3
900 + 70 + 15 + 1 5

9 8 5

So, 437 + 548 = 985.

5 Add using the expanded form.

T O Expanded form H T O
(a) 7 5 +

+ 5 6 + + +

+

So, 75 + 56 = .

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