Use Rectangles and Circles to Show Halves and Fourths: CCSS.MATH.CONTENT.1.G.A.3
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1st Grade Math › Use Rectangles and Circles to Show Halves and Fourths: CCSS.MATH.CONTENT.1.G.A.3
If I cut this rectangle in half, how many pieces will I have?
Explanation
When we cut something in half, we get 
If I cut this circle in half, how many pieces will I have?
Explanation
When we cut something in half, we get two equal pieces.
If I cut a rectangle into four parts, I am cutting it in __________.
Fourths
Fifths
Thirds
Half
Explanation
When we cut something into four parts, which means the same thing as cutting it in to fourths.
What portion of the rectangle is green?
A fourth
A half
A third
A fifth
Explanation
The rectangle is split into four pieces and one of those pieces is colored green. This means that a fourth of the rectangle is green.
What portion of the circle is striped?
Half of the circle is striped
A fourth of the circle is stripedd
A third of the circle is striped
A fifth of the circle is striped
Explanation
The circle is divided into two equal sizes. One side is striped and one side is blue. So half of the circle is striped.
If I cut a rectangle into two parts, I am cutting it in ___________.
Half
Thirds
Quarters
Fourths
Explanation
When we cut something into two parts, which means the same thing as cutting it in half.
What portion of the circle is striped?
A fourth of the circle is striped
A fifth of the circle is striped
A third of the circle is striped
Half of the circle is striped
Explanation
The circle is divided into four equal sizes. One piece is striped and the other tree pieces are blue. So a fourth of the circle is striped.
If I cut this circle into fourths, or quarters, how many pieces will I have?
Explanation
When we cut something into fourths, or quarters, we get four equal pieces.
If I cut this rectangle into fourths, or quarters, how many pieces will I have?
Explanation
When we cut something into fourths, or quarters, we get four equal pieces.
What portion of the rectangle is green?
A half
A third
A fourth
A Quarter
Explanation
The rectangle is split into two pieces and one of those pieces is colored green. This means that half of the rectangle is green.