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adding/subtracting fractions with unlike denominators

Authored by Michal Hoffman

Mathematics

4th Grade

CCSS covered

Used 74+ times

adding/subtracting fractions with unlike denominators
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Is this a correct answer?

Yes, the student correctly added.
No, you cannot add unlike denominators
No, 5 + 7 is not 12
No, 2 + 3 is not 5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the first step in solving this problem? 
⅘ + ½ =

Add the top parts of the fraction
Rewrite the fractions in the simplest form. 
Find a common denominator. 
Make each fraction into an improper faction. 

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

1/4 + 5/8

2/8
6/12
3/4
7/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Add 2/3 + 5/12=?

7/12
1 1/12
11/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve:
½ + ⅖

9/10
1/2
5/10
4/10

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

8/9 - 1/3 = 

7/6
5/9
2/3
8/27

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is 8/9 - 5/6?

1/18
3/4
6/7
10/12

Tags

CCSS.7.NS.A.1C

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