Add Subtract Decimals Models

This bar graph shows the amount of rain that fell during three days. Which decimal shows the difference, in inches, between the amount of rainfall on Wednesday and the amount of rainfall on Monday?

• 1.25

• 1.45

• 1.55

• 2.25

Tags

CCSS.5.NBT.B.7

Maria bought a bicycle lock with a $10.00 bill. The bicycle lock cost $6.27. How much change did Maria get back?

• $3.73

• $4.27

• $14.83

• $16.27

Tags

CCSS.6.NS.B.3

Karl earned $142.37 this month running errands for his uncle’s business. If he needs to pay $38.81 for a bill, how much does he have left to spend?

• $103.56

• $104.18

• $114.56

• $181.18

Tags

CCSS.6.NS.B.3

What equation matches this model?

• 0.7 - 0.44 = 1.14 

• 1.14 - 0.44 = 0.7

• 1.14 + 0.7 = 0.44

• 0.7 + 0.44 = 1.14

Tags

CCSS.5.NBT.B.7

Which problem is represented in the model?

• 0.32 - 0.17

• 0.49 - 0.32

• 0.32 + 0.17

• 0.49 - 0.17

Tags

CCSS.5.NBT.B.7

Which problem is represented by this model? BE CAREFUL!

• 0.27 - 0.9

• 0.18 + 0.09

• 0.9 + 0.18

• 0.27 - 0.09

Tags

CCSS.5.NBT.B.7

What is 78.32 + 6.784?

Mathematical Equivalence

ON

Tags

CCSS.6.NS.B.3

-12.4 + 9.2 + 1 

Mathematical Equivalence

ON

Tags

CCSS.7.NS.A.1C

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

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