Shapes, Partitions, and Equal Shares

1. Name each shape and write the number of sides and corners.

a) A shape with 3 sides and 3 corners: $\underline{\qquad\qquad}$

b) A shape with 4 equal sides and 4 corners: $\underline{\qquad\qquad}$

c) A shape with 6 sides and 6 corners: $\underline{\qquad\qquad}$

d) A shape with 5 sides and 5 corners: $\underline{\qquad\qquad}$

2. A rectangle is divided into rows and columns of equal squares.

A rectangle has 3 rows and 4 columns.

How many equal squares are inside? $\underline{\quad}$

$\text{rows} \times \text{columns} = \underline{\quad} \times \underline{\quad} = \underline{\quad}$

3. A brownie pan (rectangle) is cut into 2 rows and 3 columns.

Draw and count the pieces:

4. A pizza is cut into equal slices. Match each description to the correct fraction name.

| Description | Fraction name | |-------------|--------------| | Cut into 2 equal parts | $\underline{\qquad\qquad}$ | | Cut into 3 equal parts | $\underline{\qquad\qquad}$ | | Cut into 4 equal parts | $\underline{\qquad\qquad}$ |

Word bank: halves, thirds, fourths

5. A chocolate bar is a rectangle cut into 4 rows and 5 columns of equal squares.

How many squares are in the whole bar? $\underline{\quad}$

Maria eats $1$ square. What fraction of the bar did she eat? $\frac{\underline{\quad}}{\underline{\quad}}$

If the bar is cut into 2 equal halves instead, how many squares are in each half? $\underline{\quad}$