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# Common Core Standard 4.NF.B.3a Questions

Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.

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Find the sum in simplest form.
$1/9 + 4/9$
1. $5/9$
2. $4/9$
3. $1/3$
4. $8/9$
$6/9 + 2/9=$
1. $8/18$
2. $8/9$
3. $9/8$
4. $4/9$
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
$4/6 - 1/6 =$
1. $3/12$
2. $1/2$
3. $5/6$
4. $4/12$
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a, MP7
The rectangle is divided into 10 equal sections.

John colors 2 of the sections. Then he colors 5 more sections.

Which TWO of these represent the fraction of the rectangle that John colors in all? Select TWO correct answers.
1. $2 + 5$
2. $2/10 + 5/10$
3. $7 + 1/10$
4. $1/10+ 1/10 + 1/10 +1/10 + 1/10 + 1/10+1/10$
5. $10/2 + 10/5$
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
$3/4 + 1/4 = ?$
1. $5/4$
2. $1 1/4$
3. 1
4. $2/4$
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
A basket holds the Easter eggs shown.

Which represents the total number of Easter eggs in the basket?
1. $6/10 + 4/10$
2. $6/10 - 4/10$
3. $6/10 xx 4/10$
4. $6/10-:4/10$
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
$3/4 + 1/4 =$
1. $1$
2. $2/4$
3. $4/8$
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
$4/5 + 1/5$
1. 4/5
2. 45
3. 5/4
4. 1
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
Find the difference. $5/6 - 2/6 =$
1. $1/4$
2. $1 1/6$
3. $7/12$
4. $1/2$
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
5/8 + 2/8 =
1. 8/8
2. 7/8
3. 7/16
4. 10/8
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
1/4 + 2/4
1. 2/4
2. 3/4
3. 1
4. 4/5
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
What is the sum in simplest form?

${:3/10:}+{:2/10:}=$
1. $1/2$
2. $2/5$
3. $5/20$
4. $1/20$
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
$11/12 - 2/12 =$
1. $13/12$
2. $9/12$
3. $3/4$
4. $9/0$
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
1/4 + 2/4
1. 3/4
2. 2/4
3. 2/8
4. 3/8
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
$1/9+ 4/9$
1. 5/9
2. 4/9
3. 1/3
4. 8/9
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
$3/4 - 3/4=$
1. $3/0$
2. $1/4$
3. $6/4$
4. $0$
Grade 4 Fractions and Ratios CCSS: 4.NF.B.3, 4.NF.B.3a
Find the sum of $2/8$ + $3/8.$
1. $5/16$
2. $5/8$
3. $1/8$
4. $6/8$
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