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Arizona Math Standard: 2.G.A.3

Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, fourths, half of, third of, fourth of, and describe the whole as two halves, three thirds, or four fourths. Recognize that equal shares of identical wholes need not have the same shape.

Geometry Image: Skytree
Geometry Image: Skytree
What odd and interesting shapes can your students find in this geometric image?
Gr 1, 2, 3, 4, 5, 7, 8
How Many Will There Be? Earthworm
How Many Will There Be? Earthworm
Give kids a taste of a sequence, let them build an understanding, and then see how far their predictions can take them.
Gr 3-5
How Many Will There Be? Checkerboard
How Many Will There Be? Checkerboard
Give kids a taste of a sequence, let them build an understanding, and then see how far their predictions can take them.
Gr 3-5
How Many Will There Be? Squares in Squares
How Many Will There Be? Squares in Squares
Give kids a taste of a sequence, let them build an understanding, and then see how far their predictions can take them.
Gr 2-5
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
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
A Visual Guide To Dividing By Fractions
A Visual Guide To Dividing By Fractions
Have you ever wondered what it looks like to divide by a fraction, man?
Gr 1-7
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