Understand halves and quarters. Use the phrases *half,* and *fourth* or *quarter.* Answer *how many parts do you see* problems. That is, understand the concept of part and whole. Donâ€™t talk about fractions such as 1/2 or 1/4 yet. We want to introduce fractions after introducing division.

Halves and fourths by Khan Academy

Next, give your students this challenge:

Halving by NRICH

Conclude by leading this investigation:

My Pet Zebra

by MathPickle

1.G.A.3: Partition circles and rectangles into two and four equal shares, describe the shares using the words *halves,* *fourths,* and *quarters,* and use the phrases *half of,* *fourth of,* and *quarter of.* Describe the whole as two of, or four of the shares. Understand for these examples that decomposing into more equal shares creates smaller shares.