Halves

Cut a whole into two equal shares.

10 problems · about 13 minutes · 1.G.A.3

NameDate

Figures — use these to answer the problems

Cut it into 2 shares. Shade one of them.

How many shares2

Figure 1

These two pieces are not the same size.

How many pieces2

Figure 2

From earlier lessons. Loosen up before the new work.

5 problems

From “Shapes Inside Shapes”
How many triangles make one trapezoid?
Answer
From “Making New Shapes”
How many triangles fill one hexagon?
Answer
3
From “Naming Solid Shapes”
A can of soup is shaped like what?
- A cylinder.
- A cube.
4
From “Naming Flat Shapes”
A shape has 6 straight sides. What is it?
- A hexagon.
- A square.
From “What Makes a Shape a Shape?”
How many corners does a triangle have?
Answer

Straightforward practice. Get the method working first.

3 problems

How many equal shares are in a half?
Answer
7
What must be true about halves?
- They are the same size.
- There are just two pieces.
How many halves make one whole?
Answer

The same ideas with more to keep track of.

1 problem

9
Are two pieces halves if one is bigger?
- No. They must be equal.
- Yes. There are two pieces.

Mixed problems. Work out what kind of question it is before you start.

1 problem