What is an array?
An array has an equal amount of rows and columns.
5 rows of 3
a. 12
b. 15
c. 20
B. 15
There are 8 eggs.
What is a column?
A column is a line that is a vertical line.
3 rows of 4
a. 12
b. 1
c. 9
A. 12
Miss Tam arranges desks into 4 rows of 5. How many desks are in her classroom?
There are 20 desks in her classroom.
What is a row?
A row is a straight line that is horizontal.
2 rows of 5
a. 3
b. 7
c. 10
C. 10
Lucas ate 4 cherries each in the morning, in the afternoon, and in the evening. How many cherries did Lucas eat altogether.
He ate 12 cherries altogether.
What is a repeated addition sentence?
It is numbers that is added multiple times.
2 columns of 4
a. 5
b. 8
c. 2
B. 8
Jason collected some rocks. He put them in 5 rows with 3 stones in each. How many stones did Jason have altogether?
He has 15 stones altogether.
What is a tape diagram?
A tape diagram is a picture of a rectangle to show a repeated addition sentence.
5+5+5+5
a. 20
b. 30
c. 25
A. 20
Henry's house has 3 floors. There are 2 windows on each floor that face the street. How many windows face the street?