Factor Pairs
List ALL the factor pairs of 64.
1 and 64
2 and 32
4 and 16
8 and 8
Is 17 prime or composite?
Prime
What are the first five terms of the numerical pattern?
Start with 3 and add 6
3, 9, 15, 21, 27
What is the pattern rule?
10, 14, 18, 22
Start with 10 and add 4
A _________ is a whole number that has more than one factor pair.
composite number
List ALL the factor pairs of 23
1 and 23
True or False
All odd numbers are Prime?
False
What are the first 5 terms of the numerical pattern?
Start with 20 add 11
20, 31, 42, 53, 64
Find the pattern rule
6, 12, 24, 48, 96
Start with 6 and multiply by 2
A number has a factor pair of 4 and 8. What is the number and what are the other factor pairs?
32
1 and 32
2 and 16
4 and 8
Finn used 84 nails to build 7 shelves. Can Finn use 12 nails for each shelf? Yes or No and explain
Yes because 7 x 12= 84
True or False
All even numbers greater than 2 are composite?
True
All even numbers are products of 2
Frank is starting a tulip garden. He plans to have 7 rows. the number of plants in each row will increase by 4. If he plants 5 tulips in the first row, how many tulips will be in all the remaining rows?
9, 13, 17, 21, 25, 29
Extend the pattern by 3 more numbers and explain your answer.
36, 30, 24___, ____, ____
18, 12, 6
Haley observes the stars for 5 minutes on Monday night. The next 4 nights she observes the stars 2 minutes longer than the previous night. How many minutes does Haley observe the stars on each night?
5, 7, 9, 11 and 13
List all the factor pairs of 100.
1 and 100
2 and 50
4 and 25
5 and 20
10 and 10
Find a prime number greater than 50 and explain how you know it is prime.
Sample -
During a game, the first person gets 4 cards. Each person after gets twice as many cards as the person before. How many cards will the 2nd, 3rd, 4th, and 5th person get?
8, 16, 32, 64, 108
_____, _____, 28, _____, 44, 52
12, 20, 36
Rule is add 8
Fred is making pasta for friends. Each cup of pasta makes 4 servings. Fred wants to make 64 servings of pasta. How many cups of pasta will he use?
Fred will need 16 cups of pasta
Angie is arranging 32 framed pictures on a wall. How can she arrange her pictures in equal rows? Find ALL possible arrangements.
1 row of 32 pictures
2 rows of 16
16 rows of 2 pictures
4 rows of 8
8 rows of 4
Scott says he can arrange 71 marbles into equal groups in more than 2 ways. Do you agree with Scott? Explain why or why not.
No, 71 is prime so he can only arrange them in groups of 1 or 71
A pattern has the rule, add 6 starting with 8. What is the difference between the 6th term and the 4th term? Explain your answer?
12 because each term increases by 6 and there are 2 increases between the 4th and 6 terms
2x6=12
What are the missing numbers in the pattern?
____, 44, 36, _____, 20, 12
52, 28
Class photo packages include 4 photos. Suppose that no more than 4 packages can be bought per household. How many photos is it possible for the family to purchase?
4, 8, 12, 16, 20