Rounding
Adding Decimals
Subtracting Decimals
Properties
100

Round this to the nearest whole number. 4.32

What is 4?

100
3.6 + 0.14
What is 3.74?
100

3.2 - 2.1

What is 1.1?

100

What property of addition is this? 34 + 27 + 0

What is identity?

200

Round this number to the nearest dollar $15.34

What is $15

200
32 + 2.9
What is 34.9?
200
35 - 15.32
What is 19.68?
200

What property of addition is this? 35,000 + 27 = 27 + 35,000

What is commutative?

300

Round to the nearest tens place 27.12

What is 30?

300
5.6 + 12.34
What is 17.94?
300
78.13 - 26.72
What is 51.41?
300

What property of addition is this? 

34+ 26 + 0 = 32 + 26

What is identity?

400
Round to the nearest tenths place 4.589
What is 4.6?
400
1,367.2 + 34.78
What is 1,401.98?
400
513.2 - 23.45
What is 29.75?
400

What property of addition is this? 34 + 26 + 16 = (34 +16) + 26

What is associative?

500
Round to the nearest whole number 29.713
What is 30?
500
23.4 + 3.765
What is 27.165?
500
34 - 0.25
What is 33.75?
500

What PROPERTIES of addition are being used here? 56 + 31 + 54 = (50 + 50) + (6 + 4) + 31

What is commutative and associative?

M
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