Draw an array with 3 rows and 2 columns on a white board.
3 x 2
100
In the number model 30 = 5 x 6, which number(s) are the factors?
5 and 6
100
What is the definition of a prime number?
A number with ONLY two factors, 1 and itself.
100
Is the number 103 even or odd?
Odd
100
Draw a square array and its number model.
Answers will vary. Must have same number of rows and columns.
200
What is the number model for an array with 7 columns and 6 rows?
6 x 7
200
What are the factors for the number 12?
1, 2, 3, 4, 6, 12
200
What is the definition of composite?
A number with 3 or more factors.
200
Is the number 243 divisible by 5? How do you know?
No. The last digit is not a 5 or a 0.
200
How do I say 7^2? And what is the solution?
Seven squared. The answer is 49.
300
Draw a rectangular array where the number of columns is 3 more than the number of rows.
Answers will vary.
300
Name all of the factors for the number 100.
1, 2, 4, 5, 10, 20, 25, 50, 100
300
Is 47 a prime or composite number? How do you know?
Prime. It only has 1 and 47 as its factors.
300
Find a number that is divisible by 9, but not 2.
Answers will vary. Cannot be even and digits have to add up to a multiple of 9.
300
What is the square root of 484?
22
400
What is the product of an array with 9 rows and7 columns?
63
400
True or False. The factors of 44 are 1, 2, 22, 44.
False. 4 and 11 are also factors.
400
Is 129 a prime or composite number? How do you know?
Composite because the factors are 1, 3, 43, 129. More than 2 factors.
400
Name a number between 200 and 300 that is divisible by 3, but not 2.
Answer will vary. Example: 231, 285
400
Name all of the square numbers between 100 and 200.
121, 144, 169, 196
500
Mr. Martin has 24 tulip bulbs. He wants to plant them in a rectangular array consisting of at least 2 rows with at least 2 bulbs in each row. Draw 3 possible arrays for Mr. Martin's garden.
Answers will vary.
500
What are all of the factors of (7 squared + the square root of 81)?
The factors of 58 are 1, 2, 29, 58.
500
List all of the prime numbers between 0 and 30.
2, 3, 5, 7, 11, 13, 17, 19, 23, 29
500
Find all of the numbers 282 is divisible by. You do not need to include 7.
282 is divisible by 2, 3, and 6.
500
Solve this problem. Four squared plus the square root of 100 minus two squared.