Estimation Expedition: Round-Up Adventure

Rounding and estimation are helpful Math ____________________ .

The number 89 rounded to the nearest ten becomes ____________________ .

Guessing the number of objects without counting is called ____________________ .

If a number ends with 7 , we round it to the nearest ten by going ____________________ .

Rounding is like climbing a mountain of ____________________ .

Rounding helps us get answers without counting every single ____________________ .

We use tools like a ____________________ to estimate lengths .