Life-Size Jenga

3 Act Math

Act 1


1. How many boards will he need?
2. Write down a guess.


Act 2

3. What information would be useful to figure this out?
4. Write down some questions you have in your head right now.

Overhead View
Board Size

Side View


Act 3


Sequel

5. What would happen if each block was 1 foot long?
6. What would happen if each board was 6 feet long?


Common Core Standards
6.NS.A.1
Interpret and compute quotients of fractions, and solve word problems involving division of fractions by fractions, e.g., by using visual fraction models and equations to represent the problem.
6.NS.B.2
Fluently divide multi-digit numbers using the standard algorithm.
7.NS.A.3
Solve real-world and mathematical problems involving the four operations with rational numbers.
TEKS
6.3(D)
add, subtract, multiply, and divide integers fluently

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8 thoughts on “Life-Size Jenga

    1. Hey Lisa,

      The reason why it comes out to 6 is because there is a little left over on each long board. Since each block needs to be 10 inches, this only allows 9 blocks to be cut from each long board. Therefore, 5 long boards would only produce 45 blocks. Since this isn’t enough for the full set of 48, we had to get an extra board to make up for it.

      Hope that helps!

  1. Oh my gosh, I feel so dumb! I was so focused on the math that I forgot to think about cutting the boards. Thank you! This is exactly something my students would do. Thanks for replying so quickly.

  2. My Jenga game has 18 layers. The life sized version in this lesson has 16 layers. Is there a reason for the lack of 2 layers like the game I bought?

  3. If the width of each block is 4 inches, and there are 3 blocks per layer, wouldn’t the length of each layer be 12 inches? Meaning each block would have to be 12 inches long to make the square in each level? Why did you go with a length of 10 inches?

    1. Hey Lisa,

      Thank you for your question. It’s been a while since I made this, so my memory is fuzzy. I can’t remember why, but the blocks ended up needing to be 10 inches. Maybe the 2×4’s really weren’t 4 inches wide exactly? That’s my best guess.

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