Arrays
Draw an array to represent the equation:
2x5
Show your board
Jada has 3 bags. Each bag has 5 bracelets in it. Represent the situation.
3x5=15
Dean has 2 flavors of gum. He has the same number of pieces for each flavor. Dean has 14 pieces of gum in all. Write the equation that could be used to find how many pieces of gum Dean has in each flavor?
2x?=14
?=7
. Mr. Jones wants to install tile on his rectangular basement floor. The basement floor is 6 yards in length and 5 yards in width. How many square yards of tile will Mr. Jones need to tile his basement floor?
6x5=30
Area=30 sq yrds
3 x (5 x __) = (3 x 5) x 6
6
Pa planted a flower garden.
She planted 8 rows of flowers.
Each row had 2 flowers.
How many flowers did Pa plant in her garden?
8x2=16
Show your array!
Ms. Smith baked treats for the 3rd Grade Team.
She baked four pans of brownies.
She used nine M&M’s for each pan.
How many M&M’s did Ms. Smith use in all?
36
Nathan collected 12 lightning bugs and put them into jars. He put 3 lightning bugs in each jar. What equation could be used to find how many many jars of lightning bugs Nathan had?
?x3=12
?=4
Avery is making a poster for science. The dimensions of Avery’s poster is 8 in by 10 in. What is the area of Avery’s poster?
8x10=80
Area=80 sq in
Which number can be used to complete the equation below?
4 x 6 x 1 = ____ x 4 x 1
6
Hector collects stamps. Hector placed his stamps into his stamp book in equal rows.
He placed 9 stamps in each row,
He made 6 rows.
How many stamps did Hector put into his book?
9x6=54
Show your array!
Joseph buys 9 boxes of orange pens for Ms. Andrews. Each box has 8 pens in it. How many total pens did Joseph buy?
72
The principal must set up 50 chairs in the media center for a parent meeting. What equation could she use to find the number of chairs in each row if she puts the chairs in 5 rows?
5x?=50
?=10
Tamara wanted find the area of her basketball court at home.
The share of her basketball court is a square.
The length of one side is 4 feet.
What is the area of Tamara’s basketball court?
4x4=16
Area=16 sq ft
Which equation is true?
A. 3 x 2 x 9 = 4 x 2 x 8
B. 2 x 8 x 3 = 3 x 8 x 2
C. 8 + 3 x 2 = 2 + 3 + 2
D. 7 + 3 x 2 = 2 + 3 x 7
B. 2 x 8 x 3 = 3 x 8 x 2
Lucas and Ima are playing a card game. They place cards face down in equal rows.
• They made 3 rows.
• They put 4 cards in each row.
How many cards did Lucas and Ima place in rows?
3x4=12
Show your array!
Ms. Burton went to the store and bought 6 cases of soda. Each case has 8 cans. How many total cans does Ms. Burton have?
48
Jada has some packs of sports cards. Each pack has 10 sports cards. Jada has a total of 40 sports cards. What equation could be used to find how many packs of cards Jada has?
?x10=40
?=4
Jorge is carpeting two rooms. One room is a square with a side that measures 6 meters. The other room is a rectangle with sides that measure 3 meters and 5 meters. How many square meters of carpet does Jorge need?
6x6=36
5x3=15
36+15= 51
Name the property
2 x (6 x 4) = (2 x 6) x 4
Associative Property
Jamal is buying cookies for a party.
He buys 5 packs of cookies.
There are 9 cookies in each pack.
How many cookies will he buy?
Draw an array and equation to represent the situation.
5x9=45
Show your array
Every night Khamya read 10 pages in her book. How many pages did she read at the end of the week?
70
Keith had 12 dog treats. He gave the same number of treats to each of his 4 dogs. What equation could be used to find the number of treats that Keith gave to each dog?
4x?=12
?=3
Ms. Franklin drew a rectangle with an area of 24 square feet. Which could be the dimensions of Ms. Franklin’s rectangle?
12x2 or 2x12
4x3 or 3x4
2x6 or 6x2
8x3 or 3x8
1x24 or 24x1
Name the 4 properties of multiplication
-Identity Property
-Zero Property
-Commutative Property
-Associative Property