2D spatial reasoning
3D spatial reasoning
alternate number bases
consecutive numbers and other sequences
factors and multiples
finding and extending patterns
number bond practice for young children
practice with addition/subtraction
practice with decimal arithmetic
practice with multiplication
Saturday, August 13, 2016
The scales below are balanced. Each scale is a different puzzle.
For each scale, start by taking off as many blocks as you can from each side (if any) while keeping the scale balanced.
Once you do, assume one blue ball weighs 12 grams. What is the mass of the other shapes?
For the solution, click "Read More" below.
Read more »
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