Chapter 3 Big Ideas Practice

Solve for x.

7.3 + x + 8.4 = 32.5

Tags

CCSS.6.EE.B.7

Find the sum.

23.2 + 9 + 12.6 =

Tags

CCSS.6.NS.B.3

Find the unknown value in the equation:

64.32 - ______ = 23 .4

Tags

CCSS.6.NS.B.3

Find the difference:

24.4 - 12.34

Tags

CCSS.5.NBT.B.7

Which equation has the same unknown value as

24.24 - 12.4 = _____?

• 12.4 + ______ = 24.24

• 24.24 + _______ = 12 .4

• ______ - 24.24 = 12.4

• ______ - 12.4 = 24.24

Tags

CCSS.5.NBT.B.7

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

What is the difference?

21.43 - 17.97

• ? + 17.97 = 21.43

• 3.54

• 39.4

• 3.46

Tags

CCSS.6.NS.B.3