Arrays and Repeated Addition

Rows vs. Columns

100

How many rows are there? 

x x x x

x x x x 

x x x x 

x x x x 

4

200

How many columns are there? 

x x

x x 

x x

2

300

How many rows are there? 

x x x

x x x

x x x

x x x 

x x x

5

400

How many columns are there? 

x x x x x x 

x x x x x x 

6

500

How many rows are there and how many columns are there? 

x x x x 

x x x x 

x x x x 

3 rows and 4 columns 

Number Sentences

100

Draw a number sentence for this array. 

x x x 

x x x

3 + 3 = 6 or 2 + 2 +2= 6 

200

Write a number sentence for this array. 

x x x x x 

x x x x x

x x x x x

5+5+5=15 or 3+3+3+3+3=15

300

Write a number sentence for this array. 

x x 

x x 

x x 

x x 

2+2+2+2=8 or 4+4=8 

400

Write a number sentence for this array. 

X X X X 

X X X X
X X X X
X X X X 

4+4+4+4=16

500

Write a number sentence for this array. 

X X X  

X X X 

X X X

3+3+3=9

Word Problems

100

Jermaine planted a garden that had 4 rows. Each row had 4 vegetables in it. How many vegetables does Jermaine have in all? Draw an array to solve.

16 vegetables

200

Mrs. Hall has 3 bookshelves in her room. She places 2 books on each shelf. How many books does Mrs. Hall have in all? Draw an array to solve.

6 books

300

There are 3 students with pencils. If each child has 4 pencils, how many pencils are there in all? Draw an array to solve.

12 pencils

400

Adrian, Stephanie, Xavier, Jamiyus, and Ashley each have 5 skittles (yum!). How many skittles do they have in all? Draw an array to solve.

25 skittles

500

Lola has 2 pumpkins, each pumpkin has 4 seeds in it. How many seeds in all? Draw an array to solve.

8 seeds