Factors & Multiples
What are all the factors of 37?
1, 37
Write a story problem for 9 x 7 = 63.
Answers vary.
Draw the next shape in this pattern:
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Give me a prime number. How do you know it's prime?
Answers vary. Explanation could be: I know it is prime because it only has one factor pair.
Maverick loves playing in the water. He filled one bucket with 70 ml of water. He filled another bucket with 50 ml of water. How many milliliters of water does Maverick have all together?
70 ml + 50 ml = 120 ml
Write 4 multiples of 3
Answers could include: 3, 6, 9, 12, 18, 21, 24, 27...
Write an equation that represents this sentence: 56 objects shared into 7 groups is 8 objects in each group.
56 / 7 = 8 or 8 x 7 = 56
The rule is add 13. What are the next two numbers in the pattern?
22, 36, 49...
62, 75
Draw all the possible arrays for 30. Label all dimensions. Is it prime or composite?
1, 30
2, 15
3, 10
5, 6
Composite
Raven found 9 ladybugs in her sandbox. There were 3 times as many in the garden. How many ladybugs were in the garden?
9 x 3 = 27 ladybugs
Write 4 multiples of 7
Answers could include: 7, 14, 21, 28, 35...
Write a story problem for 9 x 7 = 63.
Answers vary
Fill in the missing numbers (rule is add 6)
20, ___, ____, 38, ____, _____, 56
26, 32....44, 50
Draw all possible arrays for 12. Is it prime or composite?
2, 6
3, 4
Composite.
A flag pole is about 9 meters. What is the height of the flag pole in centimeters?
900 cm
List all multiples of 25. Tell if it is prime or composite.
1, 5, 25. Composite.
Maverick picked 18 apples. That is 2 times as many as Parker picked. Write a multiplication equation that matches. Use the letter b for the number of apples Parker picked.
2 x b = 18
Describe the pattern in 92, 85, 78, 71, 64, 57.
Subtract 7.
Is 56 a prime or composite number? Explain your reasoning.
56 is prime because it has multiple factor pairs.
I know 1 kg = 1,000 g. That means that Ozzie weighs 6,000 kg. This is more than Maverick's toy.
What are all the factors of 24? Is it prime or composite?
1, 2, 4, 6, 12, 24. Composite.
Explain the meaning of 9 × 7 = 63.
63 is equal to 7 times as many as 9.
The rule is Add 10. Describe the pattern.
60, 70, 80, 90, 100, 110
They are counting by 10's. Each number has a 0 in the one's place.
Using complete sentences, describe the difference between a prime number and a composite number.
Answers vary but should include factor pairs or even examples of each.
David is 12 years old. His grandma is 5 times as old as him. How old is his grandma?
12 x 5 = 60 years old