What Coins?
Using different combinations of coins.
Author Archive for: corrill
Entries by InterMath
Money Puzzle
Solving problems using different coin valuations.
Broken Calculator Problems
Solving problems with a broken calculator!
Fractional Situations
Solving problems without using any kind of computational algorithm.
What Happens When?
What happens when you multiply and divide fractions?
Estimating the Point
Help Miriam decide if her estimation approach will work for all decimals.
Beaker Comparison
Help Sam and Morgan decide who has more liquid in their beakers.
Exploring Multiplication with Fractions
Exploring the similarities and differences in the steps taken to find the products.
Exploring Division with Fractions
Exploring the similarities and differences in the steps taken to find the quotients.
Smaller Quotient
Determining why the quotient for one problem is smaller than the quotient of another.