Test Review

Arrays

100

Draw an array for the following repeated addition equation: 2+2+2+2 

X X X X

X X X X

200

Draw an array for the following repeated addition equation:  3+3+3

X X X

X X X

X X X

300

How many equal groups are in the following array:

            X X X X X

            X X X X X

There are 5 equal groups (Columns)

There are 2 equal groups (Rows)

400

Ms. Hendricks bought 3 boxes of donuts. In each box there were 2 rows of 3 donuts. How many donuts did she buy total? 

18 donuts. 

500

Draw an array to match 5+5+5+5, where 5 is the number of objects in the column 

xxxxx

xxxxx

xxxxx

xxxxx

Repeated Addition

100

Write the repeated addition for the following array: 

                        X X 

                        X X 

2+2=4

200

Write the repeated addition for the following array: 

                        X X X X

                        X X X X

4+4=8 or 2+2+2+2=8

300

Write the repeated addition for the following array:

                   X X X X X

                   X X X X X

                   X X X X X

            

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

400

What is a repeated addition equation for the following array: 

      X X X X X X X X X X

      X X X X X X X X X X

10+10=20

2+2+2+2+2+2+2+2+2+2=20 

500

Which addition number sentence is shown below?

   X X X X 

   X X X X

A. 2+2+2+2=8      B. 2+2+2+2+2=8

C. 4+4+4=8          D. 1+1+1+1+1+1+1+1=8

A

Equal Groups

100

How many equal groups does this array have?

         X X X X 

         X X X X 

         X  X X X

3 equal groups of 4 

            or 

4 equal groups of 3. 

200

Create an array that has 2 equal groups of 2. 

  X X 

  X X

300

How many equal groups does this array have?

      X X

      X X

      X X

      X X

4 equal groups of 2

         or 

2 equal groups of 4

400

How many equal groups does this array have?

X X X X X X X

X X X X X X X

X X X X X X X

X X X X X X X

7 equal groups of 4

        or 

4 equal groups of 7

500

How many equal groups does this array have?

         X X X X X X X X X X X

1 equal group of 11

Columns/Row

100

What is a column 

Column goes up and down

200

What is a row

Rows go side to side 

300

Label the columns 

x   x   x   x

x   x   x   x

x   x   x   x

x   x   x   x

1   2   3   4

x   x   x   x

x   x   x   x

x   x   x   x

x   x   x   x

400

Label the row 

x   x   x

x   x   x

x   x   x

1 x   x   x

2 x   x   x

3 x   x   x

500

Draw an array with 15 square where one row is made of 5 squares

x   x   x   x   x

x   x   x   x   x

x   x   x   x   x

Bonus

100

Redraw the objects below in an array

x

x  x     x  x

 x     x  x  

x      x   x 

    x

x  x  x  x             x  x  x

x  x  x  x    or      x  x  x

x  x  x  x             x  x  x

                          x  x  x

200

Draw two ways to show a rectangular array using 6.

X X X                X  X 

X X X      Or      X  X 

                       X  X

300

write the repeated addition that describes the array

x   x   x   x

x   x   x   x

x   x   x   x

4+4+4 or 3+3+3+3 

400

What is repeated addition?

Adding number to itself more than once.

500

What is an array?

An array are things put into rows and columns