Estimating Decimal Sums and Differences

What is a reasonable estimate for the equation 1.92-1.39?

• 0.001

• 1.234

• 0.53

• 4.00

What is a reasonable estimate of the difference between 0.73 and 0.45?

• 0.25

• 3.00

• 0.92

• 2.00

What is a reasonable estimate for the equation 11.4-4.9?

• 3.8

• 6.00

• 0.002

• 16.00

What is a reasonable estimate of the sum of 5.7 and 2.32?

• 2.5

• 14.00

• 0.24

• 8.00

Estimate the sum of 35.89 and 22.14

• 58

• 56

• 57

• 59

Paula wants to buy 3 shirts and 2 belts. The shirts cost $16.89 each, and the belts cost $8.97 each. Paula has $45.Which of these amounts is the best estimate of how much more money Paula needs in order to buy the shirts and belts?

• $16

• $10

• $24

• $5

Keegan had $11 after he left the candy store. If he bought candy for $6.39, ABOUT how much money did he have before he went into the store?

• $17

• $14.9

• $8.23

• $4.13

Estimate the difference. 5.55 – 0.25