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Estimation Expedition: Round-Up Adventure
Author :
Reading Readiness Center
skills
games
Rounding and estimation are helpful Math ____________________ .
90
80
The number 89 rounded to the nearest ten becomes ____________________ .
calculation
estimation
Guessing the number of objects without counting is called ____________________ .
up
down
If a number ends with 7 , we round it to the nearest ten by going ____________________ .
colors
numbers
Rounding is like climbing a mountain of ____________________ .
thing
word
Rounding helps us get answers without counting every single ____________________ .
calculator
ruler
We use tools like a ____________________ to estimate lengths .