Adding and subtracting decimal numbers

Does this image represent addition or subtraction?

• addition

• subtraction

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 the answer?

• 15
• 23
• 38

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Which picture shows 35¢?

• 
• 
• 

• Subtraction
• Additoin

Tags

CCSS.5.NBT.B.7

Traci spent $1.19 on a pack of gum and $0.95 on lip balm.

Part A

What was the total amount Traci spent? Use the model to help you.

• $1.19 + $0.95

• $2.14

• 214

• 119 + 95

Tags

CCSS.5.NBT.B.7

When I add a number I go _________ on the number line

• Right

• Left

Tags

CCSS.5.NBT.B.7

Which of the following represents the amount shaded in the model?  

• 1.09
• 1.9
• 1.99
• 1.009

Tags

CCSS.4.NF.C.6

Which equation does this model represent?

• 0.9 + 0.2 = 0.92
• 9 x 0.2 = 1.8
• 0.9 + 0.02 = 0.92
• 0.9 x 0.2 = 0.18

Tags

CCSS.5.NBT.B.7

What decimal does this base ten block show?

• 0.6

• 0.13

• 0.3

Tags

CCSS.4.NF.C.6