Chapter 3 Review

What is the unknown value in the equation:
? - 28.5 = 89.18

• 60.68
• 117
• 118.18
• 117.68

Tags

CCSS.7.NS.A.1C

Which expression would you use to find the unknown value of the following equation: 
? - 40.7 = 100.39

• 40.7 + 100.39
• 100.39 - 40.7
• 40.7 - 100.39
• 40. 7 + 40.7

Tags

CCSS.5.NBT.B.7

What is the value of the unknown number in the following equation: 
21.8 + ? = 63.31

• 41.51
• 65.11
• 31.41
• 51.11

Tags

CCSS.6.NS.B.3

Which expression would you use to find the unknown value of the following equation:
21.8 + ? = 63.31

• 21.8 + 21.8
• 21.8 - 63.31
• 63.31 + 21.8
• 63.31 - 21.8

Tags

CCSS.6.NS.B.3

Which equation has the same unknown value as
38.72 - 18.3 = ?

• 38.72 + ? = 18.3
• ? - 38.72 = 18.3
• 18.3 + ? = 38.72
• ? - 18.3 = 38.72

Tags

CCSS.6.NS.B.3

What is the difference?21.43 - 17.97

• ? + 17.97 = 21.43
• 3.54
• 39.4
• 3.46

Tags

CCSS.5.NBT.B.7

54.18 + 7.7 + 0.47

• 55.42
• 61.72
• 63.48
• 62.35

Tags

CCSS.6.NS.B.3

141 + 8.27 + 9.1

• 1,059
• 18.78
• 158.37
• 151.86

Tags

CCSS.6.NS.B.3

310.04 - 78.8

• 231.96
• 231.24
• 388.84
• 232014

Tags

CCSS.6.NS.B.3

Round 49.78 to the nearest tenth.

• 49
• 49.7
• 49.8
• 49.78

Tags

CCSS.5.NBT.A.4