Place Value
Addition
Subtraction
Multiplication
Rounding
100
Put this number in expanded form 26,431.
20,000+6,000+400+30+1
100
85+35=
120
100
35-23=
12
100
2x3=
6
100
Round 24 to the nearest ten.
20
200
Put this number in standard form, 4,000+300+20+1
4,321
200
97+26=
123
200
42-28=
14
200
4x5=
20
200
Round 87 to the nearest ten.
90
300
What is the biggest number you can make using the digits 1,9,3,4?
9,431
300
127+352=
479
300
192-47=
145
300
6x3=
18
300
Round 123 to the nearest hundred.
100
400
What is another way to say 1,400?
14 hundred
400
789+123=
912
400
400-24=
376
400
There are 3 plates of cookies. There are 7 cookies on each plate. How many cookies are there?
7x3=21
400
Round 678 to the nearest hundred.
700
500
How would you write 20,000+900+50 in standard form?
20,950
500
256+144+35=
435
500
123-45=
78
500
There were 4 cages with 6 monkeys in each cage. How many monkeys are there?
4x6=24
500
Round 4,372 to the nearest thousand.
4,000
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