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Grade 3

Arizona Math Standard: 3.NF.A.3.b

Recognize and generate simple equivalent fractions. Explain why the fractions are equivalent.

Broken Calculator: Simplifying Fractions Gr 3-7
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 Divide Equals 2/3
How Many Ways: Fractions Divide Equals 2/3
One equation. Digits one through nine. How many ways can you make it work?
Gr 3-7
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: Divide Fractions Equal 1/4
How Many Ways: Divide Fractions Equal 1/4
How many different ways can you make this fraction division math statement true using only the digits one through nine?
Gr 3, 5, 6, 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
How Many Ways: Fraction Equivalence
How Many Ways: Fraction Equivalence
How many different ways can you make this math statement true using only the digits one through nine?
Gr 1, 2, 3, 4, 6
Fraction Ordering Tournament
Fraction Ordering Tournament
Which set of fractions would be the trickiest to order from least to greatest? Let’s have a tournament!
Gr 2-8
Writing A Story About Fraction Equivalence
Writing A Story About Fraction Equivalence
When fractions take on a new denominator, it’s as if they’re wearing a disguise – same value, new look. So let’s write a story about fraction equivalence starring a fraction who needs to fit in with a new group.
Gr 1-5
Visualizing Fraction Multiplication
Visualizing Fraction Multiplication
What does it look like to multiply fractions?
Gr 3, 4, 5, 7
A Nutrition-Based Math Project
A Nutrition-Based Math Project
Let’s create a parody ad attacking a surprisingly calorie-rich meal.
Gr 3, 4, 6, 7, 8
Math Curiosity: Collatz Conjecture
Math Curiosity: Collatz Conjecture
The Collatz Conjecture: start with any number and get to 1 using just two rules. It seems to always work…
Gr 1-6
A Grid-Based Fraction Project
A Grid-Based Fraction Project
You’ve got 60 spaces on a grid to create an amusement park, a house, a farm, or whatever you’d like. Divide it into seven pieces, order it by size, combine into two halves, and more in this fraction project.
Gr 1-5