Topic 2 Test Review

Word Problem

Draw an array

Vocabulary

100

Paul says he has an even number of corn, is he right? Show or explain your answer.

X X

He is right there is an even amount because there is 4. 4 is even because when I count by 2's 4 is there, 2 doubled is 4.

100

2 rows and 5 columns

xxxxx

100

An _________ is a group of objects set in equal rows and columns.

Array

200

Jae writes a double equation where the sum is an even number and greater than 10. Which is it?

a. 6+6=

b. 6+7=

c. 4+4=

a. 6+6=12

200

3 rows and 6 columns

xxxxxx

200

A _________ number cannot be shown as equal pairs.

a. even

b. odd

300

Jackie has 3 rows and 5 oranges in each row. What is an equation that shows how many oranges she had altogether?

3+3+3+3+3=15

5+5+5=15

300

7 columns and 5 rows.

xxxxxxx

300

A model for addition and subtraction that shows the parts and the whole is called a _______________.

a. array

b. bar diagram

400

Choose yes or no for the equations that have an odd sum?

6+7=13 yes or no

6+4=10 yes or no

7+5=12 yes or no

6+7=13 yes

6+4=10 no

7+5=12 no

400

8 columns and 4 rows.

xxxxxxxx

400

In a bar diagram, the number at the top is the whole, what are the pieces in the bar diagram called?

Parts

500

Tom's classroom is set up in 5 rows of desks with 4 in each row. How many students are in his classroom? Draw an array and write the two equations for this array.

20 students

5+5+5+5=20

4+4+4+4+4=20

xxxx

500

10 rows and 11 columns.

xxxxxxxxxxx

500

In an array the parts that go across/side to side are the ________.

a. column

b. rows

Rows