What is a number that has only 2 factors (one and itself) called?
Prime number
100
3 x 42 (SHOW YOUR WORK)
126
100
The Arlighets are collecting house tickets. Each month in September, October and November they collected 300 tickets. How many tickets did the Arlighet house collect in these 3 months? Show your work.
300 x 3 = 900
200
The first 10 multiples of 4
4, 8, 12, 16, 20, 24, 28, 32, 36, 40
200
All factors of 12
1 x 12, 2x6, 3x4
1, 2, 3, 4, 6, 12
200
What is the definition of a composite number?
A number that has ___________ factors.
A number that has more than 2 factors.
200
21 x 72 (SHOW YOUR WORK)
1,512
200
A factory produces 387 hammers every hour. Which expression can be used to find how many hammers the factory produces in 4 hours?
(300 x 4) + (80 x 4) + (7 x 4)
OR (4x300) + (4x80) + (4x7)
300
The first 10 multiples of 6
6, 12, 18, 24, 30, 36, 42, 48, 54, 60
300
All factors of 20
1 x 20, 2 x 10, 4x5
1, 2, 4, 5, 10, 20
300
Is 11 a prime or a composite number? Why?
Prime, because it only has 2 factors.
300
6 x 482 (SHOW YOUR WORK)
2,892
300
Arely's mom has a vegetable garden. She plants 11 rows with 47 carrots in each row. Use an area model to show how many carrots Arely's mom planted.
11 x 47 = 517
400
The first 10 multiples of seven
7, 14, 21, 28, 35, 42, 49, 56, 63, 70
400
All factors of 31
1 x 31
1, 31
400
Which number is NOT a composite number?
a. 24
b. 15
c. 11
d. 96
c. 11
(a and d not are correct because they are even numbers and even numbers ALWAYS have a factor of 2. B have 4 factors, 1 x 15, 3x5).
400
45 x 97 (SHOW YOUR WORK)
4,365
400
Maria packed 20 bags of food for the homeless shelter. She put 14 cans of green beans in each bag. What is the total number of cans of green beans Maria packed? Show your work.
20 x 14 = 280
500
A number that is a multiple of 7 AND a multiple of 8
49
500
All factors of 50
1 x 50, 2 x 25, 5 x 10
1, 2, 5, 10, 25, 50
500
Which number is NOT a prime number?
a. 13
b. 33
c. 23
d. 11
b. 33
500
Daniel uses place value and the expanded form (7 x 2,000) + (7 x 800) + (7 x 90) to help solve a multiplication problem. What is Daniels multiplication problem?
7 x 2,890
500
A farmer planted 29 rows of apple trees. There are 27 trees in each row.Write an equation for this problem using the distributive property.
29 x 27 = (20 +9) x (20 + 7) = (20x20) + (20 x 7) + (20x9) + (9x7)