Finding the Common Denominator with Models

When comparing fractions and mixed numbers, what should you consider?

• The weather on the day of comparison

• The color of the fractions

• The denominators of the fractions

• The shape of the fractions

Tags

CCSS.4.NF.A.2

Which of the following would be the new fractions for finding common denominators for 3/4 and 2/6?

• 9/12 and 4/12

• 6/8 and 4/12

• 9/12 and 6/18

• 2/12 and 6/12

What step should you do first when adding fractions with unlike denominators?

• Just add the denominators together

• Find a common denominator

• Add the numerators together first

• Chang each numerator to be the same

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Based on the model, which of the following is true?

• 2/4 > 3/6

• 2/3 < 2/4

• 2/4 < 2/3

• 1/2 < 2/4

Based on the model, which of the following is true?

• 2/6 > 2/8

• 1/4 < 2/8

• 2/8 > 2/6

• 3/5 > 5/9

Based on the model, which of the following is true?

• 2/4 > 3/6

• 3/6 > 2/4

• 2/4 > 3/6

• 2/4 = 3/6

• 1/8

• 1/4

• 1/3

• 1/2

Tags

CCSS.4.NF.A.1

CCSS.5.NF.B.5B

Which fraction renames 3/4 with a denominator of 12?

• 3/12

• 4/12

• 12/12

• 9/12

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Select all that could be common denominators for:

• 10

• 20

• 30

• 40

Select all that could be common denominators for:
\frac{2}{3}and\ \frac{5}{6}

• 6

• 9

• 12

• 18