Prime and Composite
Division
Multiplication
Expanded Form
Addition
100
What is a Prime number?
A prime number is a number that is not divisible by any number other than 1 and itself.
100
20 ÷ 5 = ?
4
100
What is 1,000 + 6 in numeric form ?
1,006
100
5,213 + 2,948 = ?
8,161
200
What is a Composite number?
A composite number is a number that is divisible by more than 1 and itself.
200
28 ÷ 7 = ?
4
200
20 x 9 = ?
180
200
How do you write 1,342 in expanded form?
1,000 + 300 + 40 + 2
200
5,372 + 4,012 = ?
9,384
300
Is 20 prime or composite? Explain why.
20 is composite because it is divisible by 1, 2, 4, 5, 10, 20.
300
72 ÷ 9 = ?
6
300
763 x 3 = ?
2,289
300
How do you write 62,993 in expanded form?
60,000 + 2,000 + 900 + 90 + 3
300
3,005 + 1,873 = ?
4,878
400
Is 23 prime or composite? Explain why.
23 is prime because it is divisible only by 1 and 23.
400
44 ÷ 2 = ?
22
400
71 x 6 = ?
426
400
How do you write 1,000 + 300 + 40 + 8 in numeric form?
1,348
400
9,784 + 116 = ?
9,900
500
Is 41 prime or composite? Explain why.
41 is prime because it is only divisible by 1 and 41.
500
937 ÷ 5 = ? (there is a remainder)
187 r 2
500
54 is _______ times as many as 9.
6
500
Use <, >, or = to compare the two numbers. 44,062 ________ 44,260
<
500
445 + 7,125 = ?
7,570
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