Grade 4 - Progress in Mathematics

(Marvins-Underground-K-12) #1

Two-Digit Quotients


5-8


Ian cut a 72-inch length of cloth into 2 equal strips.
What was the length of each strip?
To find the length of each strip,
divide: 72 2.
Estimate: Think of a basic
multiplication fact with 2 and
a number whose product
is close to 7.
3  2  6
4  2  8

3
2  7  2


3
2  7  2
6

3
2  7  2
 6
1

3
2  7  2
 6
1 2

3 6
2  7  2
 6
1 2

36
2  7  2
 6
1 2
1 2

3 6
2  7  2
 6
1 2
1 2
1 0

3 6
 2
7 2



The length of each strip was 36 inches.

Think
2  7  2  2  7
Enough tens:begin the quotient
in the tens place.

7 is between 6 and 8. Tr y 3.

Tr y 6.

1  2

No remainder

Divide the
tens.

Multiply. Subtract and
compare.

Bring down
the ones.

Divide the
ones.

Multiply. Subtract and
compare.

Check.

Repeat the steps to divide the ones.
Estimate: Think of a basic multiplication fact with 2 and
a number whose product is 12.

6  2  12

Think
36  2  2  36

3.4

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