Multiples of Unit Fractions
The fraction of these unit fractions
1/3 + 1/3
2/3
5 x 2/3
10/3 or 3 1/3
2 x 1/4
2/4. or 1/2
10 x 1 1/3
10 10/3. or 13 1/3
A piece of rope is 8/5 meters long. You cut the rope into 1/5 meter long pieces. How many pieces do you cut?
8
2 x 1/6 =
2/6
6 x 5/8
30/8 or 3 6/8
4 x 10/12
40/12. or 3 4/12 = 3 1/3
5 x 2 1/2
10 5/2. or 12 1/2
You have 7 magnetic blocks that are each 9/100 meter long. You connect the ends of the blocks to make a snake. What fraction of a meter is the block snake?
63/100 meter
3/12 is equal to 3 x ?/12
1/12
2/4 x 10
20/4. or 5
70/100 x 6
420/100. or 4 20/100 + 4 1/5
4 x 6 4/5 =
24 16/5 or 27 1/5
A seamstress makes fabric dog collars. An extra small dog collar is 1/3 yard long. A large dog collar is 2 times as long as the extra small dog collar. How long is the large dog collar?
2/3 yard
8 x 1/100 =
8/100
____ x 8/10 = 16/10
2
8 x 9/10
72/10
or 114 x 2 9/10
8 36/10. or 11 6/10 = 11 3/5
Between which two whole numbers does the product of 9 and 7 1/8 lie?
64 and 65
1 1/8
9 x 1/8
4 x ?/2 = 20/2
5
9 x 80/200
720/200. or 3 120/200
8 20/100 x 10
80 200/10 or 100
A farmer has 45 acres of land. He uses 3/5 of the acres to grow grapes and the rest of the acres to grow apples. How many acres of land does he use for growing apples?
18