Adding Decimals
Subtracting Decimals
Rounding Decimals
Word Problem
Place Value
100
5.3+0.96
6.26
100
64.28-3.67
60.61
100
Tenths 144.293
144.3
100
Last week, the Clearwater CD company had sales of $1,158.79. This week, the company had sales of $6,997.05. Which is the best estimate of the company’s total sales for both weeks?
$8,000
100
Place value of the 1: 5,014,245
Ten Thousand
200
48.6+7.22
55.82
200
73.3-19.6
53.7
200
Hundredths 14.896
14.90
200
The coach recorded how fast his runners ran 1 mile. Eric ran a mile in 10.84 minutes, Kay ran a mile in 12.79 minutes, and Rosie ran a mile in 9.58 minutes. How many more minutes did Kay run than Rosie?
2.32 Minutes
200
What is place value of the 2: 146.523
Hundredths
300
71+43.68
114.68
300
9-5.41
3.59
300
ones $13.76+24.31
$38
300
The history club has $171 with which to buy historical fiction books. Club members have already spent $15 on bookmarks. If each book costs $12, how many books can the club buy?
13 Books
300
What is the place value of the 8: 1,567.148
Thousandths
400
64.87+105.63
170.5
400
$167.32-12.10
$155.22
400
Tens 157.62-44.09
120
400
The coach recorded how fast his runners ran 1 mile. Luisa ran a mile in 8.34 minutes, Angie ran a mile in 8.73 minutes, and Rafael ran a mile in 9.27 minutes. How much faster did Luisa run than Rafael?
0.93 Miles
400
Write a number with a 7 in the tens place and in the tenths.
Numbers will vary.
500
1,564.876+492.41
2057.286
500
1234.265-106.978
1127.287
500
Hundredths 4,456.549-962.732
3,493.82
500
Company A has a budget of $13.76 million and Company B has a budget of $24.31 million. What is the difference between the two if each budget is rounded to the nearest tenth of a million?
$10.5 Million
500
Write a number with a 9 in the ones and the thousandths.
Answers will vary.