Repeated Addition
Arrays & Multiplication
Commutative Property
Multiplication Stories
Writing to Explain
100
What has the same value as 4x3?
What is 4+4+4
100
If my array has 4 rows of counters and 6 counters in each row, how many counters do I have all together?
What is 24
100
What is the commutative property?
What is you can multiply numbers in any order and the product is the same
100
Abby bought 3 bags of oranges. Each bag contained 5 oranges. How many oranges did Abby buy in all?
What is 3x5=15 oranges
100
What number comes next in this pattern? Days: Monday Tuesday Wednesday Thursday Dollars: $2 $4 $6 ?
What is 8
200
What is a multiplication sentence for this repeated addition? 5+5+5+5
What is 5x4
200
What is an array?
What is an array shows objects in equal rows
200
What number makes the second number sentence true? 5x6=30 6x___=30
What is 5
200
Can you write 2+2+5=9 as a multiplication sentence? Explain why.
What is No. You need to have EQUAL groups in order to multiply.
200
What is the next number in the pattern? 4, 8, 16, ?
What is 32
300
Write a repeated addition sentence for 7x7
What is 7+7+7+7+7+7+7
300
Jess has a new sticker book. She fills the book with a 4x3 array of stickers. How many stickers does Jess have in all?
What is 12
300
How can knowing 2x3=6 help you find the answer to 3x2?
What is Because of the commutative property, we can switch the order of the factors and the product will still remain the same because order does not matter in multiplication
300
Sammy has 2 laundry baskets. Each laundry basket has 3 pairs of pants in them. How many pairs of pants does Sammy have all together?
What is 2x3=6 pairs of pants
300
Bill earns $1 for doing the dishes and $2 for doing the laundry. If he washes the dishes twice and does the laundry three times, how much money will he earn? Explain your answer.
What is Bill will earn $8. You can get the answer by adding $1+$1 and adding $2+$2+$2. When you add their answers together, you get $8.
400
Complete the number sentence: 2+2+2+2+2= ____x2
What is 5
400
A teacher arranges her class so there are 6 rows of desks. There are 5 students in each row. How many students does the teacher have?
What is 30
400
Use the commutative property to rewrite 8x8=64
What is 8x8=64
400
Create a multiplication story using 3x3 and solve it.
What is EXAMPLE: Dan has 3 pencil cases with 3 pencils in each case. How many pencils does Dan have in all? 3x3= 9 pencils
400
Kara works at her job for 3 months. Each month, she works 10 hours. How many hours will she work all together by the end of the third month? Explain your answer.
What is 30 hours. You can get this answer by either multiplying 3 by 10 or by adding 10+10+10.
500
What is a multiplication sentence for 6+6+6+6?
What is 6x4
500
Can you make an array of CDs if there is one row of 8 and one row of 7?
What is no
500
What number makes the second number sentence true? 1x4=4 4x___=4
What is 1
500
Joe has 4 packs of markers and there are 3 markers in each pack. Write a multiplication sentence to find out how many markers Joe has.
What is 4x3= 12 markers
500
Tyler has a row that is 10 feet long. If Tyler plants a tree at the very beginning of the row and then every 5 feet, how many trees does Tyler plant all together? Explain your answer.
What is Tyler planted 3 trees. If you place a tree at the beginning of the row, at the 5 foot mark, and at the 10 foot mark, that equals 3 trees.
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