In this fourth grade lesson, students find out the connection between division and recognize a fractional component of a quantity. For example, to uncover 2/3 the 9 apples, we very first find 1/3 of 9 apples using division, and also then double our result.

You are watching: 8 is what fractional part of 12

 These 8 understanding are divided into four equal parts. Each component is 1 4
(one-fourth) of the whole. We have the right to use division: 8 ÷ 4 = 2. Every group
 has 2 hearts.So, 14 of 8 mind is 2 hearts.

Mom"s 24 brownies are separated into 6 equal parts. Each part is 1/6th that the whole.How countless pieces room in every part?

Divide to discover out:24 ÷ 6 = 4. Four pieces. So,
 16 that 24 brownies is 4 brownies.
To uncover
 1 2
, 1
3
, 1
4
, 1
5
etc. Part of something, divide by 2, 3, 4, 5, etc. (respectively).

1. Create a division sentence and also a fractional component sentence.

 a. _____ ÷ 5 = ____ 1 5 of ____ is ____.
b.

_____ ÷ ____ = ____

1

3

 the ____ is ____.
c.

_____ ÷ ____ = ____

 that ____ is ____.

d.

_____ ÷ ____ = ____

 of ____ is ____.

2. Compose a fractional part sentence because that each division sentence.

 a. 30 ÷ 5 = _____ of 30 is ______.

b. 48 ÷ 6 = _____

 of ____ is ____.

c. 25 ÷ 5 = _____

 that ____ is ____.
d. 50 ÷ 5 = _____

 the ____ is ____.

3. Find a part. Likewise write a division sentence.

 a. 16 of 30 is _______.
3 0 ÷ 6= 5

b.
 17 of 49 is _______.
_______ ÷_____ = _____

c.
 110 that 250 is _______.
_______ ÷_____ = _____d.
 12 that 480 is _______.
_______ ÷_____ = _____e.
 19 of 1,800 is _______.
_______ ÷_____ = _____f.
 15 of 400 is _______.
_______ ÷_____ = _____
 Divide this tenfish right into 5 groups. 1/5 the 10 fish is 2 fish. 15 of 10 is 2. 2/5 of 10 fish is double as much, or 4 fish. 25 of 10 is 4. 3/5 of 10 fish is THREE TIMES together much, or 6 fish. 35 of 10 is 6. What about 4/5 of 10? have the right to you tell? 45 of 10 is _____.
4. To fill in the blanks.

 a. 13 of 9 apples is _____ apples. 23 of 9 to apologize is _____ apples. 33 of 9 to apologize is _____ apples.
b.

1

4

 of 12 flowers is _____. 24 of 12 flower is _____. 34 of 12 flower is _____. 44 of 12 flower is _____.
c.

1

5

 of _____ fish is ____ fish. 25 of _____ fish is ____ fish. 35 of _____ fish is ____ fish. 45 of _____ fish is ____ fish. 55 of _____ fish is ____ fish.
5. Calculate.

 a. 15 that 20 is _______. 25 that 20 is _______. 35 that 20 is _______.
b.
 18 the 32 is _______. 38 the 32 is _______. 58 of 32 is _______.
c.
 110 of 500 is __________. 310 the 500 is __________. 710 the 500 is __________.
d.
 16 of 420 is __________. 26 that 420 is __________. 56 that 420 is __________.
e.
 120 that 600 is __________. 720 of 600 is __________. 1120 of 600 is __________.
f.
 1100 of 700 is __________. 9100 of 700 is __________. 50100 of 700 is __________.
6. Fill in.

 a. Marsha got \$18 from she mom. She put into her to save \$6, which to be one-__________ component of it.Division sentence:_______ ÷_____ = _____ b. Mariana invested one-fourth of she \$80 savings, or \$________.Division sentence:_______ ÷_____ = _____ c. One-fifth (which to be 5 boys) of every the guys went jogging. So, in full there were _____ boys.Division sentence:_______ ÷_____ = _____

7. An 8-lb bag the potatoes prices \$3.20.

a. One pound is one-___________________ component of thebag. Just how much does the cost?

b. just how much walk 5/8 that thebag cost?

8. A shepherd"s pie is separated into 10 equal-size pieces. The totality pie weighs 1,200 g.

a. What does 1/10 of the pie weigh?

b. What go 9/10 that the pie weigh?

9. 4 backpacks price \$28. Just how much would 3 cost?

10. A new fan because that the clubhouse expenses \$24.40. Note paid half of it, Judy paid 1/4 the it, and also Art and also Grace payment 1/8 of the each. Discover how lot each kid paid.

Mark: ______________ Judy: ______________

Art: ______________ Grace: ______________

11. Erica and James had actually 28 balloons every to sell.

by the evening, Erica had actually sold 1/2 of her balloons. James had actually sold 3/4 that his. How countless balloons had actually they marketed in total?

If one balloon expenses \$1.20, exactly how much money walk they take in?

Math Mammoth division 2
A self-teaching worktext for fourth grade that covers long division, recognize fractional parts with division, native problems, remainder, average, and divisibility.

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Download (\$5.10). Also available as a published copy.