1. Multiplication & Division
Grade 2
Copyright © Ed2Net Learning, Inc.

2. Exploring Multiplication
A group has more than one thing.
Equal means the same as.
Equal groups are groups that have the same number in them.
The number of people in this group
The number of people in this group
Equal
groups
A group of 3
A group of 3
Copyright © Ed2Net Learning, Inc.

3. Copyright © Ed2Net Learning, Inc.
Your Turn!
Are these groups equal?
Copyright © Ed2Net Learning, Inc.

4. Exploring Multiplication
Equal groups all have the same number.
Add equal groups to find how many in all.
3 equal groups
I can count by 2s to add.
2 counters in each group;
How many in all?
= 6 in all
Copyright © Ed2Net Learning, Inc.

5. Copyright © Ed2Net Learning, Inc.
Your Turn!
Add equal groups:
3 groups of 2
10 groups of 2
Copyright © Ed2Net Learning, Inc.

6. Copyright © Ed2Net Learning, Inc.
Your Turn!
Complete the chart:
Number of Equal Groups
Number in Each Group
How many in all? 2 4 5
Copyright © Ed2Net Learning, Inc.

7. Copyright © Ed2Net Learning, Inc.
Skip Counting
Skip Counting is like adding the same number over and over.
There are 3 groups of 2. How many in all?
2, 4, 6
= 6
Copyright © Ed2Net Learning, Inc.

8. Copyright © Ed2Net Learning, Inc.
Your Turn!
Use skip counting to show how many in all.
4 groups of 2
3 groups of 4
Copyright © Ed2Net Learning, Inc.

9. Copyright © Ed2Net Learning, Inc.
Multiply with 2 and 5
Add equal groups to find the sum.
Multiply equal groups to find the product.
3 groups of 2
Add = 6
Multiply x = 6
3 x 2 = 6 is a multiplication sentence
is the same as 3 x 2.
sum
Number of
groups
Read as 3 times 2 equals 6
Number in
each group
Product
Copyright © Ed2Net Learning, Inc.

10. Copyright © Ed2Net Learning, Inc.
Your Turn!
Find the sum. Then find the product.
3 groups of 5
2 groups of 2
Copyright © Ed2Net Learning, Inc.

11. Copyright © Ed2Net Learning, Inc.
Your Turn!
Multiply.
2 x 2
3 x 5
Copyright © Ed2Net Learning, Inc.

12. Copyright © Ed2Net Learning, Inc.
Multiply with 10
There are 10 cubes in each cube train. How many cubes are in 5 trains?
Skip count by 10s. 10, 20, 30, 40, 50.
5 tens
5 x 10 = 50
Copyright © Ed2Net Learning, Inc.

13. Copyright © Ed2Net Learning, Inc.
Your Turn!
Write how many 10s. Multiply.
_______ tens x 10 = _____
_______ tens x 10 = _____
Copyright © Ed2Net Learning, Inc.

14. Copyright © Ed2Net Learning, Inc.
Your Turn!
Complete the multiplication sentence to find the value of the dimes. Write the value.
____ x ____ = _____
Copyright © Ed2Net Learning, Inc.

15. Multiply in any order
You can multiply in any order and get the same product.
When I turn the paper the product is the same.
5 rows of 3
3 rows of 5
5 x 3 = 15
3 x 5 = 15
Copyright © Ed2Net Learning, Inc.

16. Copyright © Ed2Net Learning, Inc.
Your Turn!
Color to make equal rows. Find the product.
4 rows of 2
2 rows of 4
4 x 2 = ___
2 x 4 = ___
Copyright © Ed2Net Learning, Inc.

17. Division: Share Equally
When you share equally, you divide.
You can divide by making equal groups.
Three children want to share 12 counters equally.
How many counters does each child get?
Step 1
Step 2
Step 3
Start with 12 counters. Make 3 groups. Use 3 spaces on the workmat.
Put 1 counter in each space to share.
Keep sharing until all of the counters are used.
12 divided into 3 groups is 4.
12 ÷ 3 = 4
Each child gets 4 counters.
You made 3 groups
Copyright © Ed2Net Learning, Inc.

18. Copyright © Ed2Net Learning, Inc.
Your Turn!
Use workmat and counters. Complete the chart.
Number of counters
Number of Groups
Divide
Number in Each Group 9 3
9 ÷ 3 15
15 ÷ 3
Copyright © Ed2Net Learning, Inc.

19. Copyright © Ed2Net Learning, Inc.
Equal Groups of 2
There are 10 bugs. How many groups of 2 can you make?
Step 1
Step 2
Step 3
Start with 10 bugs.
Circle groups of 2.
There are 5 equal groups of 2 bugs.
10 ÷ 2 = 5
A division sentence is a number sentence that shows dividing to make equal groups.
Copyright © Ed2Net Learning, Inc.

20. Copyright © Ed2Net Learning, Inc.
Your Turn!
Circle groups of 2. Complete the division sentence.
____ ÷ ____ = _____
____ equal groups
____ ÷ ____ = _____
____ equal groups
Copyright © Ed2Net Learning, Inc.

21. Copyright © Ed2Net Learning, Inc.
Equal Groups of 5
There are 10 bees. How many groups of 5 can you make?
Step 1
Step 2
Step 3
Start with 10 bees.
Circle groups of 5.
There are 2 equal groups of 5 bees.
10 ÷ 5 = 2
A division sentence is a number sentence that shows dividing to make equal groups.
5 in each group
Copyright © Ed2Net Learning, Inc.

22. Copyright © Ed2Net Learning, Inc.
Your Turn!
Circle groups of 5. Complete the division sentence.
____ ÷ ____ = _____
____ equal groups
____ ÷ ____ = _____
____ equal groups
Copyright © Ed2Net Learning, Inc.

23. Copyright © Ed2Net Learning, Inc.
Break!!!
Copyright © Ed2Net Learning, Inc.

24. Copyright © Ed2Net Learning, Inc.

25. Copyright © Ed2Net Learning, Inc.
Assessment
Complete the chart:
Use a number line or add equal groups.
4 groups of 2; how many in all?
3 groups 4; how many in all?
Number of Equal Groups
Number in Each Group
How many in all? 3 5 2
Copyright © Ed2Net Learning, Inc.

26. Copyright © Ed2Net Learning, Inc.
Assessment
Find the sum. Then find the product.
5 groups of 3
Write how many 10s. Multiply.
___ tens
8 x 10 = ___
Copyright © Ed2Net Learning, Inc.

27. Copyright © Ed2Net Learning, Inc.
Assessment
Complete the multiplication sentence to find the value of the dimes. Write the value.
If 3 x 5 = __, then 5 x 3 = ___
____ x ____ = _____
Copyright © Ed2Net Learning, Inc.

28. Copyright © Ed2Net Learning, Inc.
Assessment
Color to make equal rows. Find the product.
2 rows of 3
3 rows of 2
2 x 3 = ___
3 x 2 = ___
Copyright © Ed2Net Learning, Inc.

29. Copyright © Ed2Net Learning, Inc.
Assessment
Use workmat and counters. Complete the chart.
Number of counters
Number of Groups
Divide
Number in Each Group 15 5
15 ÷ 5 16 4
16 ÷ 4
Copyright © Ed2Net Learning, Inc.

30. Copyright © Ed2Net Learning, Inc.
Assessment
Circle groups of 2. Complete the division sentence.
(b)
(a)
____ ÷ ____ = _____
____ equal groups
____ ÷ ____ = _____
____ equal groups
Copyright © Ed2Net Learning, Inc.

31. Copyright © Ed2Net Learning, Inc.
Assessment
Circle groups of 5. Complete the division sentence.
(b)
(a)
____ ÷ ____ = _____
____ equal groups
____ ÷ ____ = _____
____ equal groups
Copyright © Ed2Net Learning, Inc.

32. Copyright © Ed2Net Learning, Inc.
Great Job!
You learned a lot today!
Remember to do the practice worksheets!!
Copyright © Ed2Net Learning, Inc.