Adding and Subtracting Decimals with Models

Front

Which problem is represented in the model? Options: 0.32 - 0.17, 0.49 - 0.32, 0.32 + 0.17, 0.49 - 0.17

Back

0.32 + 0.17

Front

Which equation matches the model? Options: 0.73 - 0.23 = 0.50, 0.50 + 0.23 = 0.73, 0.73 + 0.23 = 0.50, 0.73 - 0.50 = 0.23

Back

0.50 + 0.23 = 0.73

Front

What equation matches this model?

Back

0.32 + 0.17 = 0.49

Front

Does this model represent addition or subtraction?

Back

subtraction

Front

What is the answer to this model? Options: 0.19, 0.61, 0.42, 0.2

Back

0.19

Front

Which problem is represented by this model? BE CAREFUL! Options: 0.27 - 0.9, 0.18 + 0.09, 0.9 + 0.18, 0.27 - 0.09

Back

0.27 - 0.09

Front

What equation matches this model? Options: 0.7 - 0.44 = 1.14, 1.14 - 0.44 = 0.7, 1.14 + 0.7 = 0.44, 0.7 + 0.44 = 1.14

Back

0.7 + 0.44 = 1.14

Front

Which decimal represents the amount shaded on the models?

Back

1.83

Front

Which of the decimals is equivalent to the value represented by the hundreds grid? Options: 0.37, 0.38, 0.83, 0.86

Back

0.86

Front

12.34 pounds of apples + 9.56 pounds of raspberries

Back

21.9