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Alabama Math Standard: 4.NF.B

Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.

What’s the Pattern? Fraction Addition
What’s the Pattern? Fraction Addition
Can your students figure out how to add fractions by looking for a pattern?
Gr 1-5
Find The Pattern: Multiply Fractions
Find The Pattern: Multiply Fractions
What if you set the stage for students to discover how to multiply fractions?
Gr 3, 4, 5, 7
How Many Ways: Fraction Subtraction 234
How Many Ways: Fraction Subtraction 234
How many different ways can you make this fraction subtraction statement true using only the digits one through nine?
Gr 1, 3, 4, 5, 7
How Many Ways: Fraction Addition 234
How Many Ways: Fraction Addition 234
How many different ways can you make this fraction addition statement true using only the digits one through nine?
Gr 1, 3, 4, 5, 7
How Many Ways: Fractions Multiply 2/3
How Many Ways: Fractions Multiply 2/3
How many different ways can you make this fraction multiplication statement true using only the digits one through nine?
Gr 1, 2, 3, 4, 5, 7
How Many Ways: Multiply Fractions Equal 1/4
How Many Ways: Multiply Fractions Equal 1/4
One equation. Digits one through nine. How many ways can you make it work?
Gr 3, 4, 5, 7
How Many Ways: Fraction Subtraction Equals 1/2
How Many Ways: Fraction Subtraction Equals 1/2
How many different ways can you make this math statement true using only the digits one through nine?
Gr 1, 3, 4, 5, 6, 7
Fractions: Decompose and Recompose
Fractions: Decompose and Recompose
What if we took a fraction apart, then took those pieces apart, then recombined them, and then recombined those, arriving back to the original fraction?
Gr 1-4
Numerator or Denominator: Which has more power in a fraction?
Numerator or Denominator: Which has more power in a fraction?
What do you do with students who already get their fraction operations? Give them a contrived project about recipes or pizza slices? Make them solve annoyingly hard practice problems? Please. Here, we get students thinking in a whole new way, pondering which has more power, the numerator or denominator.
Gr 2-6
Visualizing Fraction Multiplication
Visualizing Fraction Multiplication
What does it look like to multiply fractions?
Gr 3, 4, 5, 7
Fraction Puzzlers: Add and Subtract Fractions To Reach A Number
Fraction Puzzlers: Add and Subtract Fractions To Reach A Number
You only have six digits to form three fractions. Can you combine them to get to 0?
Gr 3, 4, 5, 7