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From fractions and decimals to distance and time, the humble-but-versatile number line can deepen students’ understanding of ...

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Using a number line to show fractions can be a very helpful way to represent how a whole is divided equally into parts. Remember, the denominator shows us how many parts there are in total and the ...

There are two rules to remember when adding or subtracting fractions. The fractions need to have a common denominator. This means the denominator has to be the same. You only need to add or subtract ...

👉 Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the ...

Many children never master fractions. When asked whether 12/13 + 7/8 was closest to 1, 2, 19, or 21, only 24% of a nationally representative sample of more than 20,000 US 8th graders answered ...