Factors and Multiples
Which of the following numbers is a factor of 55?
A. 5 B. 7 C. 3 D. 6
A. 5
20 is ____ times as large as 4.
5
Multiply using place value
Fill in the blanks to solve 900 x 6
Step 1 – _____ x 9 x 6
Step 2 – _____ x 54
Step 3 – _____
Step 1 – 100 x 9 x 6
Step 2 – 100 x 54
Step 3 – 5400
C-bear is making 4 jars of banana-flavored peanut butter. To get the flavor right, he wants to use 8 drops of banana flavoring in each jar.
How many drops of banana flavoring with C-bear use total?
32
Which of these numbers is prime?
7, 42, 65, 87, 95
A. 7
B. 42
C. 65
D. 87
E. 95
A. 7
Which of the following numbers is a multiple of 4?
A. 32 B. 14 C. 46 D. 22
A. 32
21 is 7 times as large as _____.
3
Fill in the blanks to solve 3 x 2641
Step 1 – 3 x (2000 + 600 + ____ + 1)
Step 2 – 6000 + 1800 + _____ + 3
Step 3 – _____
Step 1 – 3 x (2000 + 600 + 40 + 1)
Step 2 – 6000 + 1800 + 120 + 3
Step 3 – 7923
Liliana is using dark power crystals to raise an army of zombies. Each dark power crystal can raise 12 zombies.
How many dark power crystals does Liliana need to raise 60 zombies?
5
Which of these numbers is composite?
3, 5, 19, 71, 85
A. 3
B. 5
C. 19
D. 71
E. 85
E. 85
Which of the following is not a factor pair for 30?
A. 1 and 30 B. 2 and 15 C. 5 and 6
D. 4 and 8 E. 3 and 10
D. 4 and 8
The number 24 is 4 times as large as 6.
Write this comparison as a multiplication equation.
24 = 4 x 6
Devin tried to evaluate 5 x 5070 step by step
Step 1 – 5 x (5000 + 70)
Step 2 - (5 x 5000) + (5 x 70)
Step 3 – 25000 + 350
Step 4 – 28,500
Find Devins Mistake
A. Step 1
B. Step 2
C. Step 3
D. Step 4
E. Devin did not make a mistake
D. Step 4
The elevator in the apartment building is broken. Caleb is not worried, because he just has to climb 3 flights of stairs to get to his apartment. Laura has to climb 12 flights of stairs to get to her apartment.
Laura has to climb ____ times as many flights of stairs as Caleb.
Which equation will help us find the unknown number?
A. 12 x 3 = ____
B. ___ x 3 = 12
B. ___ x 3 = 12
Vincent van Gogh is making one-color versions of all his paintings. He uses the colors in the following order and then starts over from the beginning: red, blue, pink, green, and purple.
What color is Painting 31?
Red
Which equation shows that 2 is a factor of 14?
A. 14 = 2 x 7 B. 14 = 16 – 2
C. 14 = 2 + 12 D. 14 = 28 ÷ 2
A. 14 = 2 x 7
1473 x 6 = _____
8838
Use the following area model to multiply 3538 x 5
(Miss Bri draw)
What is the area of rectangles A, B, C, and D?
A = ______
B = ______
C = ______
D = ______
What is 3538 x 5?
A = 15000
B = 2500
C = 150
D = 40
17690
Erica had a collection of 39 stuffed animals. She took out her favorite 4 animals and then equally divided the remaining animals between her 5 little sisters.
How many stuffed animals did each of Erica’s sisters get?
7
The following pattern starts with 4 and uses the rule add 6 to the previous term.
4, 10, 16, 22, 28
Which of the following statements are true?
A. Every other number in the pattern is odd.
B. The pattern includes only multiples of 4.
C. Every number in the pattern is greater than the previous number.
C. Every number in the pattern is greater than the previous number.
We know 5 x 4 = 20
So, which of the following statements is not true?
A. 5 is a factor of 20
B. 20 is a multiple of 4
C. 5 is a multiple of 20
C. 5 is a multiple of 20
37 x 21 = _____
777
Use the following area model to multiply 34 x 58.
(Miss Bri draw)
What is the area of rectangles A, B, C, and D?
A = _____
B = _____
C = _____
D = _____
What is 34 x 58?
A = 1500
B = 240
C = 200
D = 32
1972
A class of 4th graders sold tickets to their school play. Each of the 23 students in the class sold 4 tickets. The cost of each ticket was $7.
How much money did the class earn by selling tickets to the play?
$644
The following pattern starts with 3 and uses the rule add 11 to the previous term
3, 14, 25, 36, 47,…
Which of the following statements are true about the seventh term of the pattern?
A. It is less than 100
B. It is an even number
C. it is a multiple of 3
A. It is less than 100
and
C. It is a multiple of 3