Arrays & Multiplication
(Review #1)
Mia arranges 6 rows of 8 stickers. Which TWO expressions can be used to find the total number of stickers? (Review #1)
Answer: A. 6 × 8 and B. 8 × 6
(Review #6)
An array has 24 counters arranged in 6 equal rows. Which division fact could represent the array?
Answer: 24 ÷ 6 = 4
(Review #5)
An array has 7 rows of 4 counters. The array is broken into two smaller arrays: 3 rows of 4 and 4 rows of 4. Which equation shows how to find the total?
Answer: (3 × 4) + (4 × 4) = 28
(Review #8)
Which multiplication expression can help you find the quotient of 36 ÷ 6?
Answer: 6 × 6
(Review #10)
Which TWO numbers are odd?
326, 417, 582, 731, 640
Answer: 417 and 731
(Review #3)
A teacher has 7 boxes. Each box contains 6 pencils. How many pencils does the teacher have in all?
Answer: 42 pencils
(Review #4)
Lena has 48 beads. She puts the same number of beads into 6 bags. How many beads go in each bag?
Answer: 8 beads
Break apart 6 × 8 into two smaller multiplication problems.
Answer: Answers may vary. Example: (3 × 8) + (3 × 8) = 48
5 × ___ = 35. What number belongs in the blank?
Answer: 7
Is 438 odd or even? Explain how you know.
Answer: Even. The ones digit is 8.
(Review #2)
A pet store has 5 shelves. There are 3 cages on each shelf. Each cage has 4 toys. How many toys are on the shelves?
Answer: 60 toys
(Review #14)
Jordan has 45 game pieces. He sorts them into 5 equal groups. Which equation can be used to find the number in each group?
Answer: 5 × 9 = 45
Break apart 8 × 6 into two smaller multiplication problems and find the product.
Answer: Answers may vary. Example: (5 × 6) + (3 × 6) = 48
(Review #13)
36 ÷ 6 = ___
6 × ___ = 36
What number makes BOTH equations true?
Answer: 6
A table shows 20 fiction books and 5 nonfiction books. How many times as many fiction books are there?
Answer: 4 times as many
A classroom has 4 rows of 9 desks. Write two multiplication expressions that represent the array.
Answer: 4 × 9 and 9 × 4
(Review #9)
Noah buys 6 notebooks for $24. If each notebook costs the same amount, how much does each notebook cost?
Answer: $4
(Review #7)
Which TWO pairs of multiplication expressions could be used to break apart 5 × 7?
Answer: A. 2 × 7 and 3 × 7
B. 1 × 7 and 4 × 7
(Review #11)
A strip diagram shows 32 objects split into 4 equal groups. Write a multiplication equation that could help solve the division problem.
Answer: 4 × 8 = 32
Study the pattern:
12, 18, 24, 30, ___
What number comes next?
Answer: 36
(Review #12)
Sofia wants to find the product of 3 × 4 × 2. She first multiplies 3 × 4 and then multiplies that product by 2. Is Sofia correct?
Answer: Yes. 3 × 4 = 12, and 12 × 2 = 24.
A farmer has 56 apples and puts 7 apples into each bag. How many bags can he fill?
Answer: 8 bags
Create two different ways to break apart 9 × 6 into smaller multiplication problems.
Answer: Answers may vary. Examples:
A number makes both equations true:
48 ÷ 8 = ___
8 × ___ = 48
What is the number?
Answer: 6
(Review #15)
Study this table:
20 4
25 5
What relationship do you notice?
Answer: There are 5 times as many fiction books as nonfiction books.