Bright Snowflake
What are the factors of 28?
1, 2, 4, 7, 28
What are the factors of 18?
1, 2, 3, 6, 9, 18
Which numbers that have a factor of 8. Pick all that apply.
A. 12 D. 24
B. 8 E. 4
C. 16 F. 34
B, C, D
David was skip counting while skipping rocks. He started to count by 6s. She said 6, 12, 18, 24, 30, and 36. What number will she say next?
42
Beverly was skip counting while jumping rope. She started to count by 7s. She said 7, 14, 21, 28, 35, and 42. What number will she say next?
49
Is the number 4 a multiple of 8, or a factor of 8?
a factor
Is 36 a factor of 6, or a multiple of 6?
a multiple
Is 45 a prime or composite number? Why?
composite, because it has more factors then 1 and 45 (itself).
Is the number 9 prime or composite? Why?
Composite, it has more factors than 1 and 9 (itself).
Is 31 prime or composite? Why?
31 is prime, its only factors are 1 and 31 (itself).
Is 56 a multiple of 8?
Yes, 8 x 7 = 56
Is 9 a multiple of 3?
Yes, 3 x 3 = 9
Is 6 a factor of 36?
yes, 6 x 6 = 36
What multiple of 10 is also a factor of 10?
10
A store in Roger’s neighborhood sells boxes of pencils that have 8 pencils in each box. Roger bought several boxes of pencils at the store. Which could be the number of pencils he bought? Select all that apply.
A. 12 C. 18
B. 16 D. 24
B and D
Bobby wrote the number 45. If his rule is add 5, what is the fourth number in Bobby's pattern? How can you check your answer?
It is 65. I can check my answer by skip counting on 4 times from 45. After 45, the pattern is 50, 55, 60, and then 65.
Carol was organizing her trophies. She arranged 54 trophies in her room in the shape of a rectangle. For 1a- 1c, choose Yes or No to tell whether a possible arrangement of the trophies is shown.
1a. 8 rows of 9 trophies Yes No
1b. 27 rows of 2 trophies Yes No
1c. 54 rows of 1 trophies Yes No
1a. no
1b. yes
1c. yes
Fill in the blanks:
The number 12 is ________ because it has _______ two factors.
Composite, more than two
The number 3 is _________ because it has_______ two factors.
prime, exactly
Gary makes 9 cars on Monday. He makes 4 more cars each day from Tuesday through Thursday. How many cars does Gary make on Friday?
25
Use the rule to write the first five terms of the pattern.
Rule: Add 7, subtract 2 First term: 22
29, 27, 34, 32, 39
Suppose Lilly used 10 tiles to make the rectangular design. How many different rectangles could he make with the 10 tiles? Write a list or draw a picture to show the number and dimensions of the rectangles he could make.
1 rectangle: 1 row of 10
2 rectangle: 2 rows of 5
3 rectangle: 5 rows of 2
4 rectangle: 10 rows of 1
Miles has a train collection with 24 engines, 40 boxcars, and 32 cabooses. He wants to arrange the train cars in equal rows with only one type of train car in each row. How many can he put in each row? Mark all that apply.
A. 2 D. 4
B. 6 E. 10
C. 8
A, C, D
Jack’s friend Taylor said that she could make a larger number of different designs with 16 tiles than with Jack's 11 tiles. Do you agree with Taylor? Explain.
Yes, 16 has more factors than 11, so she can make more designs.
What is Ms. Summerall's favorite animal?
A. Whale
B. Monkey
C. Pug
C