Decomposing and Adding Unit Fractions

How can you get 3/4?

• 1/4 + 1/4
• 2/4 + 1/4
• 1/4 + 1/4 + 1/4 + 1/4
• 3/4 + 1/4

True or False?
A unit fraction names 1 equal part of a whole. 

• True
• False

Decompose the following fraction:
6/10

• 1/6 + 5/6
• 2/10 + 4/10
• 3/10 + 2/10
• 1/10 + 1/10 + 3/10

A unit fraction has _____ as its numerator.

• 1
• 2
• 3
• 4

Decompose the fraction represented with the pizzas

• 1/4 +1/3 +1/3 +1/4
• 1/3 +1/3 +1/4
• 1/3 +1/3 +1/3 +1/3

Decompose 5/12 into the sum of its unit fractions.

• 1/5+1/5+1/5+1/5+1/5 = 5/12
• 1/12+1/12+1/12+1/12+1/12 = 5/12
• 1/5+1/12+1/5+1/12+1/5 = 5/12
• 4/12+1/12 = 5/12

Decompose 4/100 into the sum of its unit fractions.

• 1/4+1/4+1/4+1/4 = 4/100
• 4/100+4/100+4/100+4/100 = 4/100
• 1/100+1/100+2/100 = 4/100
• 1/100+1/100+1/100+1/100 = 4/100

Which of the following equations is show in the picture?

• 1/10+1/10+1/10+1/10+1/10+1/10+1/10 = 7/10
• 2/10+3/10+2/10 = 7/10
• 5/10+2/10 = 7/10
• 5/7+2/7 = 7/10

What is the sum of unit fractions for this pictorial model?

• 1/2 + 1/2= 2/2
• 1/4 + 1/4= 2/4
• 1/4 + 1/4= 2/8
• 1/3+ 1/3= 2/3

Which of these is NOT a correct way to decompose 6/8?

• 1/8 + 5/8

• 1/8 + 1/8 + 1/8 + 1/8 + 1/8

• 3/8 + 3/8

• 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8