1st Grade Math · Half
Half of 72
Half of 72 is 36
72 ÷ 2 = 36
How to find half of 72
- 1Half means splitting 72 into 2 equal groups, so work out 72 ÷ 2.
- 2Split 72 into its tens and its ones: 70 and 2.
- 3Halve each part on its own — half of 70 is 35, and half of 2 is 1.
- 4Add the two halves back together: 35 + 1 = 36.
Check it: put the two halves back together and you get 36 + 36 = 72.
Halving the numbers near 72
| Number | Half of it |
|---|---|
| Half of 68 | 34 |
| Half of 70 | 35 |
| Half of 72 (this page) | 36 |
| Half of 74 | 37 |
| Half of 76 | 38 |
Halving is the same as dividing by 2, and the same as sharing 72 equally between two people. It is also how you undo doubling: 36 doubled is 72. Practise it below — the lesson has 5 problems and gives you the answer the moment you try.
Lesson 72 of 84 · Half
Practise halving 72
Work through halving 72 yourself. Halving the tens and the ones separately makes any two-digit number easy.
Ready?
Half of 72
Half of half is a quarter. Prove it with cake.
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Half of 72 — common questions
What is half of 72?
Half of 72 is 36. Halving means splitting a number into two equal groups, so half of 72 is 72 ÷ 2 = 36, and 36 + 36 = 72.
How do you work out half of 72?
Split 72 into tens and ones, halve each part, then add them back together. 70 halves to 35 and 2 halves to 1, and 35 + 1 = 36.
Is 72 an even number?
Yes. 72 ends in 2, so it is even, which is why it halves to the whole number 36.
What is 72 divided by 2?
72 ÷ 2 = 36. Dividing by 2 and halving are the same thing.
Done with math? Try something else
Print the whole Half track
All 1st Grade Half lessons as a printable PDF, with worksheets and answer keys.