Tags 4.NBT.6 DOK 2: Skill / Concept Owen Kaplinsky

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## Multiplying Differences

Directions: Using the digits 1 to 9, at most one time each, fill in the …

Tags 4.NBT.6 DOK 2: Skill / Concept Owen Kaplinsky

Directions: Using the digits 1 to 9, at most one time each, fill in the …

This really puzzled my students. When we looked at the hint and then the answer, they realized there was a mistake. 8 divided by 4 is 2, not 6.

Thanks! What I meant to say was 8/4=2 and 6/3=2.

That still doesn’t make a true statement, though. Is there something I’m not understanding?

I think so. Instead of 8/4=2 and 6/3=2, you could say 8/4=6/3=2. Also, you can think of it as three parts. Each one equals the same thing. Part one is 8/4 or 2, part 2 is 6/3, or 2, and part 3 is 2.

Some parentheses might help