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Features

Decide whether circles, squares, rectangles and a triangle are cut into equal shares
Count the equal shares of a shape, name them halves, thirds or fourths and name the shaded share
Draw lines to cut shapes into halves, thirds and fourths and color one share
Find every square cut into halves or fourths when the shares are different shapes
Decide whose half of a sandwich is bigger, and show fourths two ways
Finish by putting shares together into a whole and solving share stories about a pizza, a snack bar and a pan of brownies
Every page in color and in black and white
Answer keys included

Skills Covered

Tell equal shares from shares that are not equal
Name halves, thirds and fourths
Cut circles and rectangles into equal shares

See that equal shares can be different shapes
Know that 2 halves, 3 thirds or 4 fourths make a whole
Solve share stories

How to Use This Pack

Five pages on equal shares, named in words as 2nd grade does. On page 1 students circle equal or not equal for twelve cut shapes: halves, thirds and fourths of circles, squares and rectangles, beside cuts that make shares of different sizes. Page 2 has one share of each shape shaded: students write how many equal shares there are, write one half, one third or one fourth for the shaded share and circle halves, thirds or fourths. On page 3 students draw the lines that cut each shape into halves, thirds or fourths and color one share (a dot marks the middle of each circle). Page 4 shows the same square cut in different ways: students circle the ones cut into halves, then into fourths, decide whether a half cut corner to corner is bigger than a half cut straight down (they are the same size), and show fourths two ways. Page 5 puts shares together into a whole and ends with three share stories.

In the Classroom

Fold paper squares and circles before page 1: fold in half and check that the two sides match exactly, then fold again for fourths. For page 4, cut two paper squares in half, one straight across and one corner to corner, and lay a rectangle half on a triangle half: cut and rearrange the pieces to see they cover the same space. Paper plates make good pizzas for page 5.

At Home

Share food fairly: cut a sandwich into halves two different ways, a pizza into fourths, a granola bar into thirds. Ask whether each person got the same amount, and how many pieces make the whole thing again.

Tips for Success

Equal shares are all the same size
Halves are 2 equal shares, thirds are 3 and fourths are 4
2 halves, 3 thirds or 4 fourths make the whole
The more equal shares a whole is cut into, the smaller each share is
Equal shares of the same whole can be different shapes

Common Core Standards Alignment

This pack supports the following Common Core State Standards for Mathematics:

2.G.A.3 Cut circles and rectangles into 2, 3 or 4 equal parts called halves, thirds or fourths; equal parts of one whole can look different.

Halves, Thirds and Fourths

2nd Grade

Equal shares of circles, squares and rectangles, named in words as halves, thirds and fourths. Students tell equal from not equal, name and draw shares, find equal shares of different shapes and solve share stories.

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What’s Included

5 worksheets in color and in black and white, with answer keys (15 pages)
Equal or not equal shares, and naming halves, thirds and fourths
Drawing equal shares, and equal shares of different shapes
Wholes from shares, and share stories

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