A prime number is a number that only has one factor pair (one and itself).
100
Use any strategy to solve:
98 ÷ 7
14
100
Solve using a standard algorithm:
5,418 x 9
48,762
100
What is a factor? Give an example.
Factors are numbers you can multiply together to get another number. For example: the factors of 6 are 1, 2, 3, and 6.
100
Ms. Ratliff has 96 students. She only has 8 ties for the social studies play so some students will need to share a tie. How many students will share each tie?
12
200
What is a composite number?
A composite number is a number that has more than one factor pair (more than two factors).
200
Use any strategy to solve:
350 ÷ 7
50
200
Solve using any strategy:
12 x 48
576
200
What are multiples? Give an example.
Multiples are the products you say when you skip-count. The first ten multiple of 10 are 10, 20, 30, 40, 50, 60, 70, 80, 90, 100.
200
What are the steps of solving a word problem?
Read
Underline
Box
Draw
Operation
Solve
Check
300
Are all odd numbers prime? How do you know?
No, not all prime numbers are prime. For example, 9 is a composite number.
300
Use the long division standard algorithm to solve:
3,812 ÷ 4
953
300
Solve using the area model:
60 x 70
4,200
300
State the factors of 9 and list the first ten multiples of 9.
The factor of 9 are 1, 3, and 9. The first ten multiples of 9 are 9, 18, 27, 36, 45, 54, 63, 72, 81, 90.
300
Pens are sold in packs of 6. The school's 42 employees will be given 3 pens. How many packs of pens will the school need to order?
The school needs a total of 126 pens, 3 pens for 42 employees means 3 x 126 = 126. Then 126 ÷ 6 = 21.
400
Label the following numbers as prime or composite, prove your answer:
11, 22, 28
Prime, Composite, Composite.
400
Use the area model to solve:
127 ÷ 3
127 can be decomposed to (90 + 30 + 7) ÷ 3 = 30 + 10 + 2 remainder 1 = 42 remainder 1.
400
Use any place value strategy to solve:
14 x 34
476
400
List the first ten multiples of 11.
11, 22, 33, 44, 55, 66, 77, 88, 99, 110.
400
Mr. Cheatham ordered footballs and basketballs for P.E. class. He orders 14 times as many footballs as basketballs. If he ordered 26 basketballs, how many footballs did he order?
26 x 14 = 364
500
State if the following numbers are prime or composite:
5, 15, 24
Prove your answer by providing the factors of the number.
5 is prime (1, 5), 15 is composite (1, 3, 5, 15), 24 is composite (1, 2, 3, 4, 6, 8, 12, 24)
500
Use a place value strategy to divide:
4,800 ÷ 8
600
500
Use any place value strategy to solve:
28 x 59
1,652
500
List the factors of 48.
The factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 48.
500
Ms. Smith Pittman has a garden with a length of 54 meters and width of 32 meters. How many square meters is her garden? Use estimation to assess the reasonableness of your answer.