Rounding
Exponents
Expanded Notation
10 times or 1/10 of
Mystery
100

Round 28.47 to the tenth's place 

What is 28.5?

100

3 x 102

What is 300?

100

(4 x 10) + (5 x 1 ) + (6 x 1/10) + (7 x 1/00)

What is 45.67?

100

The 5 in 52.13 is ____ of the 5 in 25.69

What is 10 times?

100
Compare: 23.98  _____ 23.009  

What is > (greater than)

200

Round 104.314 to the hundredth's place 

What is 104.31?

200

5 x 103 

What is 5,000?

200
12.345

What is (1 x 10) + (2 x 1) + (3 x 1/10) + (4 x 1/100) + (5 x 1/1000)

200

The 4 in 14.23 is ______ of the 4 in 41.67

What is 1/10 of 

200

23.45 x 10 = 

What is 234.5

300

Round 1,983.16 to the thousand's place

What is 2,000

300

7 x 104

What is 70,000?

300
(5 x 100) + (4 x 10) + (3 x 1/10) + (2 x 1/100) + (1 x 1/1000)

What is 540.321

300

The 8 in 823.15 is _____ of the 8 in 128.49 

What is 100 times

300

254.96 x 102

What is 25,496

400

Round 189.99 to the nearest whole number 

What is 190?

400

12 x 105

What is 1,200,000?

400

20.804

What is (2 x 10) + (8 x 1/10) + (4 x 1/1000)

400

The 9 in 423.39 is ______ the 9 in 279.48 

What is 1/100 of

400

Compare 45.904 ____ 46.12

What is < (less than)

500

Round 249.89 to the tenth's place 

What is 249.90?  

500

24 x 106

What is 24,000,000?

500

(8 x 10) + (3 x 1) + (4 x 1/10) + (7 x 1/1000) 

What is 83.407

500

The 2 in 26.8 is _______ of the 2 in 12.4 

What is 10 times

500

3.456 x 104

What is 34,560

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