Show:
Factors
Multiples
Prime/Composite?
Odd/Even?
Multiplication
100
True or False: 4 is a factor of 48.
True
100
What is a MULTIPLE?
Multiples are the numbers we find when we SKIP COUNT.
100
Prime or Composite: 23
23 is PRIME (Factors = 1, 23)
100
Odd / Even: 68
68 is EVEN
100

What is 15x2?

15x2=30


200
What are the factors of the number 24?
1, 2, 4, 6, 8, 12, 24
200
True or False: 4 is a multiple of 20.
FALSE. 4 is a FACTOR of 20.
200
What is a PRIME number?
A prime number has only 2 factors, 1 and itself
200
Odd / Even: 144
144 is EVEN
200

What is 76 x 4?

76 x 4=304

300
What are FACTORS?
Factors are the numbers multiplied together to find a product. Also acceptable: A factor is a number that fits evenly into another number.
300
Find the first 3 MULTIPLES of the number 16.
16, 32, 48...
300
Prime or Composite: 33
33 is composite (factors = 1, 3, 11, 33)
300
An EVEN number plus an ODD number will always be ________________.
EVEN + ODD = ODD
300

What is 6 x 48?

6 x 48 = 288

400
What are the factors of the number 36?
1, 2, 3, 4, 6, 9, 12, 18, 36
400
What are the first 3 MULTIPLES of the number 36?
36, 72, 108...
400
The ONLY even prime number is ______
2
400
An ODD number plus an ODD number will always be ____________________.
ODD + ODD = EVEN
400

What is 342 x 2?

342x2=684

500

Eggs are packaged in cartons of 12. Which of these numbers of eggs can be packaged in full cartons? How do you know?

a) 96 b) 56 c) 60 d) 74

a) 8        and c) 5

500

Two TV movies start at 7:00 P.M. One channel airs commercials every 5 min. The other channel airs commercials every 9 min. When will the two channels start commercial breaks at the same time?

9:45pm

500

How can you tell that 32 and 95 are not prime numbers without finding their factors?

Because they are even numbers!

500

35x20=

700