Adding and subtracting decimal numbers

What equation matches this model?

• 0.32 + 0.17 = 0.49
• 0.32 - 0.17 = 0.49
• 0.49 - 0.17 = 0.32
• 0.49 + 0.17 = 0.32

Tags

CCSS.5.NBT.B.7

Which addition problem is modeled with the hundredths grids?

• 0.29 + 0.04 = 0.33

• 0.29 + 0.4 = 0.69

• 2.9 + 0.4 = 3.3

• 2.9 + 0.04 = 2.94

Tags

CCSS.5.NBT.B.7

Which money model is equal to $8.53?

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Tags

CCSS.5.NBT.B.7

Which equation matches the model?

• 0.86 + 0.23 = 0.63
• 0.86 - 0.63 = 0.23
• 0.86 - 0.23 = 0.63
• 0.63 + 0.23 = 0.86

Tags

CCSS.5.NBT.B.7

What is the sum represented in the model?

Tags

CCSS.5.NBT.B.7

Which equation matches the model?

• 0.73 - 0.23 = 0.50
• 0.50 + 0.23 = 0.73
• 0.73 + 0.23 = 0.50
• 0.73 - 0.50 = 0.23

Tags

CCSS.5.NBT.B.7