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Calculations with Decimals
Rounding
Place Values
Comparing Numbers
Numbers in Different Forms
100
1.5 + 2.4 =
3.9
100
Round 4.6 to the nearest ones place.
5
100
In the number 19, which digit is in the ones place?
9
100

 84 _____________ 48

*Greater Than >

100

Write the number in unit form

34.1

3 Tens, 4 Ones, 1 Tenth

200
4.8 - 0.3 =
4.5
200
Round 5.78 to the nearest tenth place.
5.8
200
In the number 1.53, which digit is in the tenths place?
5
200

 568 _____________ 658

< Less than

200

What is the following number in word form?

37.56

thirty-seven and fifty-six hundredths

300
3.5 x 5 =
17.5
300
Round 23.555 to the nearest hundredth place.
23.56
300
In the number 47.223, which digit is in the thousandths place?
3
300

98.89 _____________ ninety-eight and ninety-eight hundredths

*Less Than <

300

Name two ways to represent the thousandths place

0.001 and 1/1000

400
6.4 / 8 =
0.8
400
Round 14.98 to the nearest ones place.
15
400

1/100 represents which place value?

Hundredths place

400

 65 Tens 8 Ones 3 Tenths 2 Hundredths _____________ 858.32

Less Than < 

400

49.8, 498, _____, 49,800

4,980

500

3.6/2

1.8

500
Round 8.997 to the nearest hundredth place.
9.00
500
What is 4.99 grams converted into milligrams? Explain how you know.

4,990 milligrams because 4.99 x 1,000

500

(4x1,000)+(9x100)+(7x10)+(2x1)+(9x0.01) _____________  Four thousand nine hundred seventy-two and nine hundredths

*Equal to =

500

What is the standard form of the following number?

(2x10) + (3x1) + (7x0.1) + (9x0.001)

23.709