GR 4 CH 13 decimals

Adding/Subtracting decimals

100

14.13 + 5.69

19.82

200

87.3 + 14.5

101.8

300

$34.30 + $58.16 + $8.90

$101.36

400

52.03 - 37.81

14.22

500

$7.43 - $1.95

$5.48

Comparing/Ordering Numbers

100

Compare (<,=, or >)

0.90 _______ 0.9

=

200

Compare (<, =, >)

10.8 ______10.81

<

300

Write in order from greatest to least:

7.0; 0.07; 7.7

7.7; 7.0; 0.07

400

Write in order from greatest to least:

95.4; 95.05; 95.45; 95.5

95.5; 95.45; 95.4; 95.05

500

Write from smallest to greatest:

22.03; 21.999; 22.30; 21.8; 23

21.8; 21.999; 22.03; 22.30; 23

Place Value

100

What is the value of the 5?

34.56

five tenths

200

What is the digit in the hundredths place?  What value does it have?

34.16

6

six hundredths

300

Which number has a larger digit in the hundredths place?

412.28

412.82

412.28

400

Write a number with:

a 7 in the tenths place; a 3 in the ones place

a 5 in the hundredths place; a zero in the tens place

a 1 in the thousands place; a 9 in the hundreds place

1,903.75

500

Write a number with:

a zero in the tenths place; a 3 in the millions place

a 1 in the tens place; a 6 in the hundredths place

a 9 in the hundreds place; a 4 in the hundred thousands place; a 7 in the ones place, and zeros in any missing spots

3,400,917.06

Rounding Decimals

100

Round to the nearest one:

14.98

15

200

Round to the nearest one:

45,6024.49

45,6024

300

Round to the nearest tenth:

43.36

43.4

400

DAILY DOUBLE

Round this number (8,769,4378.906) to the nearest:

A. Whole #

B. tenth

C. Hundredth

500

Round this number (983,300.088) to the nearest:

A. Whole #

B. tenth

C. hundredth

A. 983,300

B. 983,300.1

C. 983,300.09

Word Problems

100

Drew buys 2.6 pounds apples and 18.1 pounds potatoes.  Approximate (using rounding) how many pounds of produce he bought?

21 pounds

200

Which is a better buy:

12 erasers for $2.88 or 56 for $10.08?

56 erasers ( $0.18 a piece)

300

Which is a better buy: a 32 oz. jar of pickles for $1.28 or a 68 oz. jar of pickles for $4.08?

32 oz ($0.04 per ounce)

400

DAILY DOUBLE

Brandon bought 6 cases of water for $2.99 each.  He paid with a $20 bill.  How much change will he get back?

500

Freddy bought 3 bags of candy for $5.14 each and 8 chocolate bars for $0.87 each.  He paid with a $50 bill.  How much change will he get back?

$27.62