Use place value cards to practice rounding numbers to the nearest ten and hundred. Warm up with a Mystery Math Mistake to hunt for the mistake made counting up on the number line. Use place value ...

Sometimes we use rounding to estimate a solution. In third grade, your child will round whole numbers using a vertical number line and round to the nearest ten or to the nearest hundred.

When rounding to the nearest 100, numbers with 50 in the tens column are rounded up to the next hundred. For example, 450 would round up to 500. Numbers below 50 are rounded down. When rounding to ...

When rounding to the nearest 100, numbers with 50 in the tens column are rounded up to the next hundred. For example, 450 would round up to 500. Numbers below 50 are rounded down. When rounding to ...