Idea 8of 22Builds on4/3 is one whole and one third
Sometimes the pieces make whole numbers
What is 6 × 1/3?
Today you'll discover
- when the pieces fill wholes exactly
- how 6/3 can be 2
- how to tell before you draw
Think firstSix pieces, each one third
What is 6 × 1/3?
Decide first, then press Next. See whether the last whole is full.
Six pieces of one third slide together and are counted 1/3 to 6/3. They fill two bars exactly, each marked = 1 whole. The sentence 6 × 1/3 = 6/3 = 2 appears underneath. The last step shows eight quarters.
See the whole ideathe big idea and the key word, in one place
The big idea
6 × 1/3 = 6/3, and 6 thirds fill exactly 2 wholes, so 6 × 1/3 = 2.
Whole-number answers3 × 1/3 = 1, 6 × 1/3 = 2, 9 × 1/3 = 3. When the count is a multiple of the bottom number, the answer is a whole number.
Key word
- whole number
- a counting number with no fraction part: 0, 1, 2, 3 …
Ready to use it?
- Find products of unit fractions that are whole numbers.