Place Value
Rounding
Order & Compare Dec
Estimating
Add & Sub Dec
Let's be absolute!
100
58,496
In which place value is the digit 5?
Ten-thousands place
100
Round to the hundredths place: 52.987
53.99
100
Use <, >, or = to compare:
4.3 4.40
<
100
Estimate by rounding to the nearest whole number:
9.6+3.4
10 + 3 = 13
100
The most important thing to know when adding and subtracting decimals is....
Line up the decimals!
(And be neat!)
100
What is 4 + - 4 =
0
200
1.005
In which place is the 5?
1/1000
200
Round to the tenths place: 8.971
9.0
200
Use <, >, or = to compare:
44.9 44.09
>
200
Estimate by rounding to the nearest whole number:
8.98-2.76
9 - 3 = 6
200
6.608+9.44
16.048
200
What is - 6 + - 2 =
- 8
300
Write the decimal to match each word form: Thirty-four and five hundredths
34.05
300
Round to the nearest whole number: 6.7
7
300
Use <, >, or = to compare:
11.101 11.0101
>
300
Estimate by rounding to the nearest whole number:
6.62 x 4.3
7 x 4 = 28
300
31.321-28.198
3.123
300
What is 12 + - 5 =
7
400
Write each decimal in word form: 9.15
Nine and fifteen hundredths
400
Round to the nearest tenth: 4.007
4.0
400
Use <, >, or = to compare:
8.0000 8
=
400
Nadia spends 10 minutes each night, Monday through Friday, reviewing her math facts. She spends 30 minutes each week reviewing her spelling words. How much review time does Nadia spend each week reviewing math and spelling?
(10 x 5) + 30 = m
50 + 30 = 80 minutes
400
4.86-2.9
1.96
400
What is -9 + 5 =
- 4
500
Write each decimal in word form: 4.004
Four and four thousandths
500
Round to the nearest ones: 59.99
60
500
Put in order from least to greatest:
9.09, 9.9, 9.009, 9
9, 9.009, 9.09, 9.9
500
Draw a part-whole model for the equation n + 6.84 = 19.05
Estimate then solve.
19-7= 12
19.05-6.84 = 12.21
500
Brooklyn had a water bottle that contained 16.9 oz of water. She drank 8.75 oz of the water. How many oz are left?
8.15 oz
500
What does - 6 + - 6 =
- 12