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← Numbers and Operations

Decimals


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Printable List

How Many Ways: Multiply to 9
How Many Ways: Multiply to 9
Fill in the blanks so two decimals multiply to exactly 9.
Gr 5
How Many Ways: Divide to 5
How Many Ways: Divide to 5
Fill in the blanks so a division comes out to exactly 5.
Gr 5-6
Broken Calculator: Comparing Decimals
Broken Calculator: Comparing Decimals
This calculator swears 0.5 is less than 0.45. What’s going on here?
Gr 5
Math Project: What If I Bought Apple Stock Instead?
Math Project: What If I Bought Apple Stock Instead?
What if you had an original iPod and sold it compared to if you had bought the equivalent amount of Apple stock and sold that?
Gr 6-7
How Many Ways: Add to 5
How Many Ways: Add to 5
Fill in the blanks so two decimals add to exactly 5, using each digit only once.
Gr 5
How Many Ways: Subtract to 7.5
How Many Ways: Subtract to 7.5
Fill in the blanks so two decimals land exactly 7.5 apart.
Gr 5
Calculators, Patterns, and Multiplying By Decimals
Calculators, Patterns, and Multiplying By Decimals
Before teaching students the procedure for multiplying with decimals, how much can they intuitively glean from a structured play session with calculators?
Gr 5
How Many Ways: Two Hundredths Apart
How Many Ways: Two Hundredths Apart
Build a fraction and a decimal that land exactly two hundredths apart.
Gr 4
Furnishing A Hotel
Furnishing A Hotel
Design and furnish hotel rooms on a budget. Real math, real constraints, real decisions. Then pitch your hotel to investors.
Gr 4-5
How Many Ways: The Stubborn Ones Digit
How Many Ways: The Stubborn Ones Digit
Three fractions must add to exactly 1.07.
Gr 4
A Decimal Rounding Surprise
A Decimal Rounding Surprise
Decimals are the same distance apart. But one pair rounds together and the other splits. Why?
Gr 5