Simplify: 8 / 12
2/3
4/3 = 1 1/3
ADD: 1/6 + 2/6
3/6 = 1/2
SUBTRACT: 8/10 - 2/10
6/10 = 3/5
Ms. Toscana bought a pack of 12 cookies. She ate 1/6 of the pack of cookies. How much did she eat?
2 cookies
Multiply: 12 x 1/12
1
ADD: 6/9 + 3/9
9/9 = 1 whole!
SUBTRACT: 4/12 - 1/12
3/12 = 1/4
Ms. Irwin wants to buy 16 new flamingoes at the craft fair. She bought 1/8 of the flamingoes at the first booth. How many more does she need to buy?
6 flamingoes left to buy.
Multiply: 12 x 1/3
ADD: 1 3/10 + 3 7/10
4 7/10
SUBTRACT: 4 7/8 - 3 2/8
1 5/8
Mrs. Rinehart made a pie for pi day last week. She ate 1/8, Ms. Toscana and Ms. Irwin shared 1/8, and Ms. Clanton ate 1/8. How much pie was left after the fourth grade teachers ate pie?
5/8
Multiply: 15 x 1/3
5
ADD: 5 1/6 + 16 3/6
21 4/6 = 21 2/3
SUBTRACT: 14 2/8 - 6 3/8
7 7/8
Ms. Clanton won a gift card at a New Year's trivia game. She spent for 1/5 of the gift card in January, 1/5 in February, and 2/5 in March. How much does she have left to spend?
1/5
Multiply: 1/2 x 20
10
ADD: 6 4/10 + 3 7/10
10 1/10
SUBTRACT: 4 1/6 - 2 5/6
1 2/6 = 1 1/3
Estimate the answer. 1 2/5 + 2 2/5
about 4