Adding and Subtracting Fractions

Front

When I add or subtract fractions I must have _________ units.

Back

like

Front

Do 2/5 and 5/5 have like units?

Back

True

Front

Do 1 3/7 and 7 1/7 have like units?

Back

True

Front

Do 3/8 and 1/3 have like units?

Back

False

Front

When I make like units I use an equivalence strategy.

Back

True

Front

To make like units, I can multiply the _________________ to find a common multiple.

Back

denominators

Front

What numbers can I multiply to make a like unit for 3/5 and 2/3?

Back

3 X 5 = 15

Front

What like unit can I use for 1/10 and 1/3?

Back

30

Front

The classroom made cookies. They used 1 1/4 cups of white flour for the chocolate chip cookies and 2 1/3 cups of flour for peanut butter cookies. How much flour did they use in total?

Back

3 7/12 cups

Front

The 5th and 6th Grade Center served pizza on Tuesday. First Lunch Shift ate 2/5 of the pizzas. Second Lunch Shift ate 3/10 of the pizzas. How much pizza was remaining for Third Lunch Shift?

Back

15/50