Decimal Fractions Adding with Models

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

What does the model represent?

• 0.13

• 0.31

• 31

• 3.1

What does the model represent?

• 9.10

• 0.09

• 0.9

• 0.99

The shaded model represents the decimal-

• 53

• 5.03

• 5.3

• 3.5

• 4.53

• 5.53

• 4.52

• 4.51

• 8.86

• 9.96

• 99.6

• .996

• 4.69

• 4.97

• 3.79

• 4.77

• 5.99

• 5.91

• .599

• 4.85

• 2.85

• 3.87

• 3.85

• 2.87

• 2.88

• 1.27

• 3.88

• 3.78