Place Value
Comparing Decimals
Rounding Decimals
Adding Decimals
Subtracting Decimals
100
In the following number, what are the place values of the numbers 7 and 9? 674,362,103.829
7= ten billions place 9= thousandths place
100
Compare the following decimal numbers and indicate a <, >, or = .01___.009 245.7___245.700 .09457___1.00131
.01 > .009 245.7 = 245.700 .09457 < 1.00131
100
Round 0.24 to the tenths place. Round 12.756 to the tenths place. Round 0.4125 to the hundredths place.
0.2 12.8 0.413
100
Add: 36.25 + 52.8 =
89.05
100
Subtract: 99 - 58.3 =
40.7
200
Write the following number in word form: 27,432,068.5
Twenty seven million, four hundred thirty two thousand, sixty eight and five tenths
200
Write these numbers in order from smallest to greatest: 42.1, 40.7, 42.5, 46.1, 40.5
40.5 40.7 42.1 42.5 46.1
200
Sales tax in Texas is 0.0825. Round this to the tenths place. Now, round it to the hundredths place. Finally, round it to the thousandths place.
0.1 0.08 0.083
200
Add: 12.6 + 5.83 + 7=
25.43
200
Subtract: 92.78 - 16.05 =
76.73
300
Write the following number in both Standard and Word Form: 2,000,000 + 600,000 + 80,000 + 300 + 50 + 8
Standard Form= 2,680,358 Word Form= two million, six hundred eighty thousand, three hundred fifty eight
300
Compare the following decimal numbers and indicate a <, >, or = 1.2045___1.2050 7.34___7.304 29.86527___ 29.869613
1.2045 < 1.2050 7.34 > 7.304 29.86527 < 29.869613
300
Round 3.1416 to the hundredths place. Round 1.2635 to the tenths place. Round 12,690.02 to the thousands place.
3.14 1.3 13,000
300
Add: 68.186 + 8.05 =
76.236
300
Subtract: 57.239 - 9.2 =
48.039
400
Give the place value of the 6, 2, and 0 in the following number. 6,425,791,649.570
6= billions place 2= ten millions place 0= thousandths place
400
Write these numbers in order from smallest to greatest: 0.402, 0.42, 0.375, 1.2, 0.85
0.375, 0.402, 0.42, 0.85, 1.2
400
Round 3.54159 to the ones place. Round 3.54159 to the tenths place. Round 3.54159 to the hundredths place. Round 3.54159 to the thousandths place. Round 3.54159 to the ten thousandths place.
4 3.5 3.54 3.542 3.5416
400
Add: 42.99 + 6.478 =
49.468
400
Subtract: 73.427 - 31.54 =
41.887
500
Write the following number in word form: 1,570.694
one thousand, five hundred seventy and six tenths, nine hundredths, four thousandths
500
Compare the following decimal numbers and indicate a <, >, or = 1,423,768.39680___1,423,768.39679
1,423,768.39680 > 1,423,768.39679
500
Round the following numbers to the hundredths place: 3.1416, 2.9798, 3.2416, 3.1453 After you have rounded the numbers, put them in order from smallest to largest.
3.14, 2.98, 3.24, 3.15 2.98, 3.14, 3.15, 3.24
500
Add: 378.725 - 277.7852 =
656.5102
500
Subtract: 1,478.005 - 567.7652 =
910.2398