Adding and Subtracting Fractions, Adding and Subtracting Mixed Numbers, Like Denominators

What part of adding and subtracting fractions do you still need help with?

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

USE SCRATCH PAPER AND SOLVE THIS WORD PROBLEM:

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

• 3 2/7 cups

• 3 7/12 cups

• 1 1/12 cups

• 1 2/7 cups

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

• denominator

• numerator

• like

• unlike

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

1 3/7 and 7 1/7 have like units.

• True

• False

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

• numerators

• denominators

• whole numbers

• mixed numbers

USE SCRATCH PAPER AND SOLVE THIS MULTI-STEP PROBLEM: 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?

• 3/5

• 15/50

• 5/15

• 2/50

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1/8 + 5/8

• 8/8

• 3/4

• 6/8

• 1

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

2/6 + 1/6

• 1/2

• 3/6

• 1/6

• 4/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

10/12 - 6/12

• 4/12

• 1/3

• 1/2

• 16/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Find the sum.

• 5/7

• 10/14

• 4/49

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D