Multiplying by Tens Activity
This multiplying by tens activity is a base-ten card matching game for 3rd and 4th grade, with a recording sheet and practice page. Answer key included for quick checking.
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About this resource
Description
Multiplying by tens is a big step in place value thinking. When students see that 3 × 90 means 3 groups of 9 tens, they understand why the answer is 270 instead of memorizing a trick. This Multiplying by Tens Activity turns that idea into a hands-on card game for 3rd and 4th grade math centers, small groups or partner practice. It is a multiples of ten game that students ask to play again.
Students pick a problem card such as 8 × 30. Each card shows the fact and a picture of base-ten rods in equal groups, so students can count the tens and name the product. Then they find the matching product card and record the answer on the Recording Sheet. Every problem matches exactly one product card, so the game checks itself. A practice worksheet follows, where students solve a basic fact like 4 × 7 and use it to solve 4 × 70, then explain their thinking in writing.
What’s Included
- A colorful cover and a How to Use page with prep steps and game rules
- 12 problem cards with base-ten rod pictures
- 12 product cards
- A Recording Sheet for students
- A 3rd grade practice worksheet with six two-step problems and an explain question
- Answer keys for the game and the practice worksheet
Why This Multiplying by Tens Activity Helps Kids
First, the base-ten pictures show what the numbers mean, which builds real understanding of place value. Second, matching cards is active and fun, so students stay engaged while they practice many facts. Third, the practice page connects basic facts to multiples of ten and asks students to explain the pattern, the kind of thinking they will use for larger numbers and exponents later.
Ideas for Teachers and Parents
Start by writing 3 × 4 = 12 and 3 × 40 = 120 on the board and asking students what they notice. Let partners play the matching game and take turns explaining each match out loud. Send the cards home in a zip-top bag for extra practice, or challenge early finishers to write new problem cards for a friend to solve.
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