number forms
rounding numbers
comparing numbers
decimal operations
place value understanding
100
The standard form of twenty-six and three hundred eight
26.308
100
John has 3.67 pounds of candy for Halloween. About how much candy does he have when rounded to the nearest whole number?
John has about 4 pounds of candy
100
the three symbols used to compare two numbers
>, <, =
100
3.612 + 4.348
7.96
100
digits increase in value when this operation with powers of 10 is performed
multiplication
200
the expanded form of 34.672
3x10+4x1+6x.1+7x.01+2x.001
200
Jessica has 10.67 oz. of water in her water bottle. About how much water does Jessica have when rounded to the nearest tenth?
Jessica has about 10.7 oz of water
200
3.1 ____ 3.089
3.1 > 3.089
200
15.13-11.48
3.65
200
When you divide by powers of 10 digits move in this direction on the place value chart
to the right
300
The unit form of 20.561
2 tens, 5 tenths, 6 hundredths, 1 thousandth
300
John has 8.34 oz of water in his water bottle. About how much water does he have when rounded to the nearest oz?
John has about 8 oz of water.
300
3 hundredths, 9 tenths _____ 3.09
3 hundredths, 9 tenths < 3.09 ( .92)
300
4.59 divided by 9
.51
300
digits shift to the left 3 times and increase in value when you multiply by this power of 10.
10 to the 3rd power
400
The standard form of 5x100+2x1+3x.001
502.003
400
Tim's pumpkin weighs 5.678 lbs. Rylan's pumpkin weighs 3.453 lbs. About how much do both pumpkins weigh? Round each pumpkin's weight to the nearest tenth before finding the sum
Tim and Rylan's pumpkins weigh about 9.2 lbs
400
4x100+2x10+7x.001 ___ 4x10+2x.1+7x.01
4x100+2x10+7x.001 > 4x10+2x.1+7x.01 (420.001) (40.27)
400
3.76 x 4
15.04
400
How much greater a digit in the hundreds place is than a digit in the tens place
ten times greater
500
Standard form of 3 thousandths and 7 tenths
.703
500
The midpoint between 1.23 and 1.24
1.235
500
6 hundredths, 4 tenths _____4x.1+6x.01
6 hundredths, 4 tenths = 4x.1 + 6x.01 (.46) (.46)
500
Brian paid $15.80 for 4 pumpkins. How much did one pumpkin cost?
One pumpkin cost $ 3/95
500
How multiplying powers of 10 effects digits in a number
digits move the left and increase in value
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