Equivalency
Powers of 10
Place Value
Decimal Multiplication
Division
100
Ten tenths is equivalent to one-whole. True or False?
True!
100
How many times larger is 1,000 than 10?
100 times larger.
100
What place value does the 2 represent in 0.352?
The thousandths place.
100
4 x .1=?
.4
100
The answer to a division problem is called the _______.
Quotient.
200
There are ten-hundredths in one-tenth. True or false?
True.
200
How can you break apart 1,000 into powers of ten?
10x10x10 OR 100x10
200
Who created our number system?
Two Indian mathematicians!! One of them invented the place value system in the 5th century and a century later the other mathematician created the symbol for zero.
200
.4 x .1=?
.04
200
Division can also be thought of as repeated _________.
Subtraction.
300
One thousandth is equivalent to ten hundredths. True or false?
False.
300
What number is one-hundredth times the size of 1,000?
10.
300
Why are 23, 230 and 2300 different numbers but 23, 023 and 0023 not different numbers?
Because the digits 2 and 3 in the first set of numbers represent different place values and the zeroes are place holders... But, in the second set of numbers, the digits 2 and 3 represent the same place values each time and the zeroes don't change the place values of the 2 and 3.
300
How many times smaller does a number get when you multiply it by .01?
One hundred times smaller.
300
What is 2 divided by 10?
2/10 OR .2
400
How many wholes can we make with 29 tenths?
2 wholes.
400
How many times smaller is 200 than 2,000?
10 times smaller.
400
When you move to the right in place value, your answer will be ____ the size of the previous place value.
One-tenth.
400
A deli sells pieces of bubble gum for ten cents each. Ray has exactly $2.42 in his pocket. How many pieces of bubble gum can he buy?
24 pieces of bubble gum.
400
0.20 divided by 0.10= ?
2.
500
How many hundredths are in 3 tenths?
30 hundredths.
500
How can you write 1,000,000 using powers of ten?
10x10x10x10x10x10 100x100x100 100x10,000 etc...
500
Why is .15 smaller than .5 even though 15 is bigger than 5?
Because 15 hundredths are smaller than 5 tenths or (50 hundredths).
500
A plant needs .1 liters of water each hour. How many liters of water will it need for 5.3 hours?
0.53 liters.
500
How many times larger does a number get when you divide by .1?
10 times larger.
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