Add/Subtract Positive Rational Numbers

Integers are

• all positive numbers only.
• all negative numbers only.
• all counting numbers and their opposites
• percentages, fractions, & square root.

100 + 92

• 8
• -192
• 192
• -8

Tags

CCSS.7.NS.A.1C

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What number could be a common denominator for these two fractions?
1/5   and   5/6?

• 30
• 11
• 6
• 5

Fill in the blank in order to create an equivalent fraction.
1/2 = __ /8

• 2
• 4
• 6
• 8

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

32.15 + 24.15 =

• 8.0
• 12.0
• 56.30
• 12.30

Tags

CCSS.6.NS.B.3

21 + 4.09 =

• 4.30
• 6.19
• 25.09
• 16.91

Tags

CCSS.6.NS.B.3

7.9 - 3.47 =

• 11.37
• 4.43
• 3.32
• 4.37

Tags

CCSS.6.NS.B.3

7.05 - 4.6 =

• 2.45
• 3.65
• 11.65
• 11.45

Tags

CCSS.6.NS.B.3

2.98 + 5.3 =

• 2.51
• 8.28
• 3.63
• 2.37

Tags

CCSS.6.NS.B.3