Vocabulary
What is the answer to an addition problem called?
Sum
Decompose 3/4 into two fractions.
1/4 + 2/4
1/3 + 1/3
2/3
7/9 - 3/9
4/9
What is the answer to a subtraction problem called?
Difference
Decompose 6/9 into three equal fractions.
2/9 + 2/9 + 2/9
2/9 + 2/9 + 3/9
7/9
8/10 - 1/10 - 3/10
4/10
What is the top number in a fraction called?
Numerator
Decompose 7/8 into three fractions that are not the same.
1/8 + 2/8 + 4/8
4/5 + 2/5
6/5 or 1 1/5
11/12 - 7/12 - 3/12
1/12
What is the bottom number in a fraction called?
Denominator
Decompose 5/8 using only unit fractions.
1/8 + 1/8 + 1/8 + 1/8 + 1/8
6/6 + 6/6
12/6 or 2
100/20 - 20/20 - 20/20 - 50/20
10/20 or 1/2
What is it called when a fraction has 1 as its numerator?
Unit fraction
Decompose 9/12 in two different ways.
Jason is going for a walk with his dog. They walk 1/5 mile before his dog has to pee. Then they walk another 2/5 mile and stop at the park to play. They then walk 3/5 mile back home. How far did Jason and his dog walk?
6/5 or 1 1/5 miles
Claudia has an essay due on Friday. She would like to do parts of the essay throughout the week. On Tuesday she does 1/8, on Wednesday she does 3/8, on Thursday she does another 1/8. How much of her essay does she have left?
3/8