enVision 2.0: Topic 2 Work with Equal Groups

What equation matches this array?

• 4 + 4 + 4 + 4 + 4 = 20

• 4 + 5 = 9

• 5 + 5 + 5 + 5 + 5 = 25

• 4 + 4 + 4 + 5 + 5 = 22

Which equation matches this array?

• 2 + 2 + 2 + 2 + 2 = 10

• 6 + 6 = 12

• 6 x 6 = 36

• 6 + 2 = 8

Is this an even or odd number of counters?

• even

• odd

How many counters are in 1 row?

• 3

• 18

• 6

How many counters are in 1 column?

• 5

• 3

• 15

How many counters are there altogether?

• 4

• 20

• 5

• 25

What is the equation for the rows and columns?

• R: 4 + 4 + 4 = 12

  C: 3 + 3 + 3 + 3 = 12

• R: 3 + 3 + 3 + 3 = 12

  C: 4 + 4 + 4 = 12

How many rows are there?

• 3

• 6

• 9

Michael write an equation.

The sum is an odd number greater than 11.

Which equations does Michael write?

• 6 + 6 = ?

• 6 + 7 = ?

• 8 + 8 = ?

• 8 + 7 = ?

Dan has 3 rows of apples with 5 apples in each row.

Which equation shows how many apples Dan has in all?

• 3 + 5 = 8

• 5 + 5 + 5 = 15

• 3 + 3 + 3 = 9

• 5 + 5 = 10