Prime & Composite
A number that can only be multiplied by 1 and itself.
What is a prime number?
Jenna is 11 years old. Her grandma is 6 times older than Jenna. How old is the grandma?
What is 66 years old? (11x6)
36 divided by 6 = _________
6
A small box of raisins has a mass of 9 grams. A large box of raisins has a mass that is 10 times as much as the small box. What is the mass of the large box of raisins?
9x10=90 grams
The rule for this pattern is to add 9. Find the missing numbers.
___ ____ ____ 54 63 72 ____ _____
27, 36, 45, 54, 63, 72, 81, 90
A number that has MORE factors than 1 and itself.
What is a composite number?
Jeremy got candy for Christmas. He got 21 pieces of candy. His sister got 3 times as much candy as Jeremy. What equation represents how much candy his sister got?
21x3=C (c represents candy)
Ms. H has 24 students in her math class. Ms. J has half the amount of students. How many students does Ms. J have?
24/2=12 students
Bob has a stuffed dog that has a mass of 50 grams. They also have a real dog that has a mass of 50 kilograms. Which has the greater mass? How do you know?
Bob's real dog has the greater mass.
Kilograms have more mass than grams.
1 kilogram = 1,000 grams., so I know 50 kilograms is 50,000 grams, and that's a lot more than 50 grams.
Start with 33. Rule: Subtract 5.
33 ______ ______ ______ ______ ______ _____
33, 28, 23, 18, 8, 3
What kind of number is 7? Prime or composite? Why?
What is a prime number because its only factors are 1 and 7?
Ms. Green is 4 times as old as Mason. Mason is 10 years old. How old is Ms. Green?
10x4=40 years old
30/5=6 in each column
Betty is a little over 1 m tall. Which could be her height in centimeters?
A. 10cm
B. 120cm
C. 1,005cm
B. 120cm
DeAndre is making a sequence. Fill in the missing numbers. Show your thinking.
5 12 19 ____ 33 40 ____ 54
5, 12, 19, 26, 33, 40, 47, 54
Adding 6
16 is a ___________ number. Because _________________________
What is a composite number because it has multiple factors (1,16,2,8,4)?
Ms. Breidenstein bought pants and a top. The pants were 3 times as much as the top. The top costs $15. How much were the pants?
15x3=$45 for the pants
Krista bought a book and a toy. The toy costed $24 and the book costed $8. How many times more than the book did the toy cost?
24/8=3 times more
Josh has 62 milliliters of blue paint and 29 milliliters of yellow paint. He mixed all of the paint together to make green. How many milliliters of green paint does he have now?
62 + 29 = 91
Josh has 91 milliliters of orange paint
Start with 12. Rule: add 4
12, ____ ____ _____ _____ _____ _____
12, 17, 22, 27, 32, 37, 42
List ALL the factors for 20.
What is 1, 20, 10, 2, 5, and 4?
What equation represents
"35 markers are 7 times the 5 crayons at the purple table"?
7x5=35 markers
40/5=8 packs of cookies.
14 x 8= 112
112 grams
The rule for this pattern is to add 6. Find the missing numbers.
___ ____ ____ 130 136 142 ____ _____
112, 118, 124, 130, 136, 142, 148, 154