Add and Subtract Decimal with Grid

True or false: The blocks show the decimal numbers of 6.47 + 3.26.

• False

• True

Write the addition equation for the problem shown on the number line?

Subtracting Decimals: Use the grid method to subtract 0.3 from 0.7

• 0.6

• 0.5

• 0.4

• 0.8

Subtracting Decimals: Use the grid method to subtract 0.5 from 0.9

• 0.3

• 0.7

• 1.2

• 0.4

Lia and James went to the movies. The tickets are $3.00 each.  Lia bought popcorn and a slushy for $8.50 together. James bought a slushy and nachos $12.00 together. How much money did they spend total?

• 26.50

• 2.650

• 3.00

• 53.65

Which of the following expressions matches the grid shown?

• 0.57 + 0.33 = 0.90

• 0.33 - 0.24 = 0.09

• 0.57 - 0.33 = 0.24

• 0.43 - 0.33 = 0.24

Which of the following expressions matches the grid shown?

• 0.46 + 0.17 = 0.37

• 0.46 - 0.17 = 0.37

• 0.63 + 0.17 = 0.80

• 0.63 - 0.17 = 0.46

What addition problem does the grid represent?

• 9 + 5 = 95

• .9 + .5 = .95

• .90 + .05 = .95

• .90 + .50 = .95

Does this model represent addition or subtraction?

• addition

• subtraction

Adding Decimals: Use the grid method to add 0.6 and 0.4

• 0.8

• 1.0

• 0.2

• 1.5