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 pairs are in the following array:

            X X X X X

            X X X X X

There are 5 pairs. 

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

If a scrapbook can hold 12 pages total and there can be 4 pictures on each page, how many pictures total will the scrapbook have? 

48 pictures total. 

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

                   X X X X X

4+4+4+4+4= 20 or 5+5+5+5=20 

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

Even/Odd

100

Is the number 7 even or odd?

Odd

200

Is the number 100 even or odd?

Even 

300

Is the number 944 even or odd?

Even

400

Is the number 313 even or odd?

Odd

500

Which place value do you look at to decide if a number is even or odd? 

You look at the ones spot. 

Bonus

100

Even Steven

Odd _______?

Todd

200

Draw two ways to show a rectangular array using 6.

X X X               X X X

X X X      Or      X X X

                       X X X 

300

Sydney, Caroline, Chloe, and Jessica all eat lunch at the same table. Is the number of girls even or odd? 

There are four girls total which is even. 

400

A number sentence also means...

Repeated addition 

500

Write an addition equation with two equal addends using even numbers:

_____+______=______

Multiple answers

Example: 

2+2=4