Facts on Arrays
Vocabulary
Solve that Array
Draw That Array
Graphs
100

Arrays have R___ and C______

Rows and Columns

100
Numbers that are multiplied to get a product

factors

100

Solve this Array, Give the equation and answer (_x_=_). 

4 x 6 = 24

100

5 x 3 = ?


= 10

100

What is the scale of this graph?

counting by 5's

200

Do arrays need equal objects in each row and column? 

Yes

200

The answer to a multiplication problem 

product

200


5 x 10 =50

200


8 x 3 = ?


= 24

200

What is the difference between the number of students who like rock and the students who like classical? 

5 students

300

Write the two equations represented by the arrays. 


3 x 2 = 6

2 x 3 = 6

300

A group of objects arranged into rows and columns

array

300

Solve this array using multiplication. Give the equation and answer. (_x_=_)


6 x 9 = 54

300

Divide 18 bananas into 2 equal groups. How many bananas are in each group?


300

How many inches of rain fell in both May and June?

140 inches

400

There are 6 boxes of candles. Each box has 4 candles. How many candles are there in all?

24 candles

400

An operation that gives the total number of objects when you combine equal groups

Multiplication

400

Divide this array of 30 stars into 5 equal groups. How many stars are in each group? (30 / 5 = _)

6 stars are in each group

400

Solve this problem using an area model. 

10 X 3 = ?


= 30

400

How many houses were sold in all? 

110 houses

500

Peter has a 4 x 5 array of pictures. He adds 2 more rows. How many pictures does he add?

10 pictures

500

A horizontal (left to right) arrangement of objects in an array. 

row

500

Solve this array using multiplication. Give the equation and answer. (_x_=_)

6 x 3 = 18

500

For an activity, 6 students are divided into 3 groups. How many students are in each group?

2 students

500

How many trees did Trees for All sell? 

450 trees