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Adding and Subtracting Rational Expressions

Adding and Subtracting Rational Expressions

Assessment

Interactive Video

Mathematics

6th - 10th Grade

Practice Problem

Hard

CCSS
7.NS.A.1C, 5.NF.B.6, 7.NS.A.2A

+6

Standards-aligned

Created by

Mia Campbell

FREE Resource

Standards-aligned

CCSS.7.NS.A.1C
,
CCSS.5.NF.B.6
,
CCSS.7.NS.A.2A
CCSS.6.NS.B.3
,
CCSS.4.NF.B.4B
,
CCSS.7.NS.A.3
,
CCSS.3.MD.C.7B
,
CCSS.4.NF.B.4C
,
CCSS.4.MD.A.3
,

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step when adding or subtracting mixed numbers?

Simplify the fractions

Convert mixed numbers to improper fractions

Multiply the fractions

Find the least common multiple

Tags

CCSS.7.NS.A.1C

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the least common multiple (LCM) of 2 and 5?

15

5

20

10

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When multiplying fractions, what should you do after converting mixed numbers to improper fractions?

Subtract the fractions

Multiply straight across

Add the fractions

Find a common denominator

Tags

CCSS.5.NF.B.6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying 33/8 by -7/3?

-77/8

-231/24

-70/8

-77/24

Tags

CCSS.7.NS.A.2A

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nick was scuba diving at -32.5 feet and descends another 8.6 feet. What is his new location?

-41.1 feet

-40.1 feet

-40.6 feet

-41.6 feet

Tags

CCSS.7.NS.A.1C

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Melanie cuts a 6.5 inch piece of yarn from a 15.75 inch string. How much yarn is left?

8.75 inches

8.25 inches

9.25 inches

9.75 inches

Tags

CCSS.6.NS.B.3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Caroline's baby sister sleeps 5/8 of the day. How many hours does she sleep?

20 hours

15 hours

12 hours

18 hours

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

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