Vocabulary
What is the digit under the fraction bar called?
denominator
Add:
12/25 + 5/25=
17/25
Subtract
8/9 -1/3=
Answer:
5/9
Multiply:
1 2/4 x 3/4=
Answer:
18/16 or 1 2/16 or 1 1/8
Divide
2 divided by 1/2=
4
What does a numerator indicate or mean?
how many equal parts you have out of the whole
Add:
3/8 + 2/6=
17/24
Subtract:
11/13 - 7/13=
Answer:
4/13
Multiply:
2/3 x 4/15=
Answer:
8/45
2/4 divided by 3/4=
Answer:
8/12 or 2/3
What are equivalent fractions
fractions that have the same value
6/7 + 1/4=
31/28 OR 1 3/28
Subtract and Simplify:
7/10 - 3/15=
Answer:
15/30 or 1/2
Multiply and simplify:
2/3 x 1/2=
Answer:
2/6 OR 1/3
Divide:
1/8 divided by 2/3=
Answer:
3/16
What must you have in order to add and subtract fractions?
common denominators
Add:
3 1/4 + 3 5/8=
6 7/8
Daily DOUBLE
Subtract:
1 2/3 - 3/4
Answer:
11/12
Double your points in either direction
Multiply and simplify:
4 x 2/12=
Answer:
8/12 OR 2/3
Divide:
5 2/3 divided by 2 4/5=
Answer:
85/ 42 or 2 and 1/42
What is one strategy for dividing fractions?
Options:
multiply by the reciprocal
denominators are the same, divide straight across
create equivalent fractions so the denominators are the same
Add:
9 9/10 + 2 3/5=
12 1/2
Subtract and simplify:
7/12 - 1/3=
Answer:
1/4
Multiply:
3/5 x 10/15=
Answer:
30/75 OR 2/5
Solve and simplify
3 and 2/7 divided by 1 and 1/4=
Answer:
2 and 22/35