Adding Decimals

Adding Decimals with Estimation

by Daisha Taylor

Open Ended

What does estimate mean?

Open Ended

What is sum?

Multiple Choice

Place value is important when adding decimals...

• True

• False

Multiple Choice

The sum of 5.59 + 8.9 is approximately:

• 13

• 14

• 15

• 16

Multiple Choice

The sum of 21.59 + 28.02 is approximately:

• 48

• 49

• 50

• 51

Fill in the Blanks

Estimate the sum of

13.9 + 24.07 + 36.4

Fill in the Blanks

Estimate the sum of:

2.05 + 16.29 + 33.33

Fill in the Blanks

Find the exact sum of:

1.97 + 4.2 + 7.05

Fill in the Blanks

Find the exact sum of:

5.7 + .02 + 3.15

Poll

Rate your understanding of estimating and adding decimals...

• I don't understand at all.

• I understand but, could still use some practice.

• I understand.

• I feel like an expert, I can teach someone else!