Making Addends: One Whole
1. Completely fill the hexagon labeled “One Whole” with the blue rhombi. How many did you use?
2. Get the same number of blue rhombi and split them between the hexagons on the right.
3. Record your work in words and then write the number sentence that matches your work.
4. Repeat steps 1 through 3, using the size piece indicated, until the table is full.
One
=
+
Example:
1.
Start by filling the hexagon with blue rhombi.
2.
Share 3 rhombi onto the hexagons on the right. For example, it might look like this:
=
3.
+
Record your work in the table. For example, it might look like this:
Piece
Blue
Rhombi
Fraction Words
Numbers
3-thirds is the same as 2-thirds plus 1-third
Materials: Pattern blocks including a yellow hexagon, red trapezoids, blue rhombi, green triangles and brown quadrilaterals (fourths). If you do not
have fourths, omit the bottom two rows of the chart.
Knp.kentuckymathemacs.org
Last revised 7/30/14
Contact [email protected] to request a digital copy
Making Addends: One Whole
One
piece
=
Words
Name:______________________________
+
Numbers
Blue
Rhombi
Red
Trapezoid
Green
Triangle
Green
Triangle
Green
Triangle
Brown
Quadrilateral
Brown
Quadrilateral
Knp.kentuckymathemacs.org
Last revised 7/30/14
Contact [email protected] to request a digital copy