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Math – Intro to Multiplication

Math · CCSS: 3.OA.A.1, 3.OA.B.5 · Level 3 · Worksheet 3 of 5 · Practice Set 9

Level 3 ⭐⭐⭐

Practice SetsSet 1 Set 2 Set 3 Set 4 Set 5 Set 6 Set 7 Set 8 Set 9 Set 10

1 Repeated Addition = Multiplication

✖️ Multiplication is a shortcut for adding the same number many times!

3 + 3 + 3 + 3 = 12 → That's the same as 4 × 3 = 12 (four groups of three)

Repeated Addition	Multiplication	Answer
10 + 10 + 10 + 10 =
9 + 9 + 9 + 9 + 9 =
4 + 4 + 4 + 4 + 4 + 4 =
7 + 7 + 7 + 7 + 7 + 7 =
8 + 8 + 8 + 8 + 8 + 8 =

2 Draw Groups

🎨 Draw the groups and find the answer.

Problem	Draw your groups	Answer
2 groups of 2
6 groups of 3
3 groups of 9

3 Multiply!

✖️ Solve each multiplication problem.

Problem	Answer	Problem	Answer
4 × 1 =		2 × 4 =
6 × 2 =		9 × 2 =
8 × 3 =		8 × 4 =
10 × 4 =		10 × 5 =
8 × 8 =		10 × 9 =

4 Multiplication Word Problems

📝 Solve each word problem using multiplication.

Problem	Equation	Answer
There are 2 aquariums. Each aquarium has 10 fish. How many fish in all?
One hand has 5 fingers. How many fingers do 3 hands have?
There are 9 rows of plants with 2 plants in each row. How many plants?

5 Explain Your Thinking (SBA Practice)

Show your work and explain how you solved the problem. On the state test, you will need to explain your reasoning.

Problem: A baker puts 5 cookies on each tray. She fills 7 trays. How many cookies did she bake? Show this as repeated addition AND as multiplication.

My work:

My answer:

How I know my answer is correct:

+ Bonus Math Practice

Try one extra round for Set 9.

45 + 6 =

52 - 4 =

5 × 10 =