Adding & Subtracting Decimals
3.98 + 4.77
8.75
Round 4.946 to the nearest 1's place
5
1 kilogram is 1,000 grams
How many grams is 784 kilograms?
784,000 grams
Write this in base ten numerals (number form)
five hundred seven thousandths
0.507
4.5 _____ 7.2
less than
4.83 - 1.70
3.13
Round 7.902 to the nearest tenths place
7.9
1 kilogram is 1,000 grams
How many kilograms is 34,000 grams
34 kilograms
Write this number in base ten numerals (number form)
(6 x 1) + (8 x 1/10) + (1 x 1/100)
6.81
23.51 ______ 2.351
greater than
22.51 + 8.942
31.452
Round 28.375 to the nearest tenths place
28.4
1 kilometer is 1,000 meters
How many meters is 34 kilometers?
34,000 meters
Write this number in word form (spelling does not count)
3.47
Three and forty-seven hundredths
0.560 _____ 0.56
equal to
8.7 - 5.91
2.79
Round 7.902 to the nearest hundredths place
7.9 or 7.90
1 meter is 1,000 centimeters
How many centimeters is 5.1 meters?
5,100 centimeters
Write this number in expanded notation
Two and three hundred forty nine thousandths
(2 × 1) + (3 × 1/10) + (4 × 1/100) + (9 × 1/1000)
3.087 _____ 3.807
less than
Scooby has gained 13.38 pounds.
Round 48.2798 to the nearest thousandths place
48.280
1 meter is 1,000 centimeters
How many meters is 340 centimeters?
0.34 meters (or 0.340 meters)
When we multiply a number by 10, and then again, and again, the decimal point moves over to the right by one place every time. Why is that?
Each place value is 10 times greater than the one before it, so when we move the decimal point, the numbers get 10x greater than before.
0.3 ____ 0.21
greater than