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Solve equations with fractions

Authored by Kelly Spring

9th - 12th Grade

Used 2+ times

Solve equations with fractions
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6 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Solve for x.

3/7

7

21

1/21

Answer explanation

Media Image

To undo multiplying by a fraction, multiply by the RECIPROCAL.

When multiplying whole numbers by fractions, change the whole number to a fraction (3 is 3/1).

Then, multiply straight across.

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Solve for x.

9/2

8/9

18

36

Answer explanation

Media Image

To undo multiplying by a fraction, multiply by the RECIPROCAL.

When multiplying whole numbers by fractions, change the whole number to a fraction (4 is 4/1).

Then, multiply straight across. Simplify.

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

x = 6

x = -6

x = 9

x = -9

Answer explanation

Media Image

To undo multiplying by a fraction, multiply by the RECIPROCAL.

When multiplying whole numbers by fractions, change the whole number to a fraction (-18 is -18/1).

Then, multiply straight across. Simplify.

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

x = -24

x = 50

x = 24

x = -50

Answer explanation

Media Image

Undo addition/subtraction first.

To undo multiplying by a fraction, multiply by the RECIPROCAL.

When multiplying whole numbers by fractions, change the whole number to a fraction (15 is 15/1).

Then, multiply straight across. Simplify.

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

h = 1 3/8

h = -1 3/8

h = -40

h = 40

Answer explanation

Media Image

Undo addition/subtraction first.

To undo multiplying by a fraction, multiply by the RECIPROCAL.

When multiplying whole numbers by fractions, change the whole number to a fraction (-15 is -15/1).

Then, multiply straight across. Simplify.

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

add 13 to both sides

divide by 4

subtract 13 from both sides

multiply by 4

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