Grade 4 - Progress in Mathematics

(Marvins-Underground-K-12) #1

Four-Digit Dividends


12-8


88 6
6 4 5  4  8  1
5 1 2
2 3 6 1
2 3 8 4

8 8 5 R 41
6 4 5  4  8  1
5 1 2
2 3 6 1
2 3 2 0
2 2 4 1

Divide: 5481 64.

5481  64
Think: 54  6 
Tr y 9.

9 9 8 8 8 8 88
6 4 5  4  8  1 6 4 5  4  8  1 6 4 5  4  8  1 6 4 5  4  8  1
5 7 6 5 1 2 5 1 2 5 1 2
5 3 6 3 6 1

Repeat the steps.

8 5
 6 4
3 4 0
5 1 0 0
5 4 4 0
 4 1
5 4 8 1

88 5
6 4 5  4  8  1
5 1 2
2 3 6 1
2 3 2 0

?

Estimate.

Divide the tens.
Multiply.

Subtract and
compare.

Divide the
ones. Multiply.

Subtract and
compare.

Bring down
the ones.

Check.

36  64

To o large.
Tr y 5.

To o large.
Tr y 8.

Think

41  64

64  5  4  8  1  64 5 Not enough thousands
64  5  4  8  1  64 54 Not enough hundreds
64  5  4  8  1  64  548 Enough tens

3.4

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