Below is a table showing the first 6 question answer pairs for the topic "Estimate by rounding to 1 s.f." as used in the lessons for this topic. Our games and tests for the topic use these 6 items plus 10 additional question answer pairs.
The topic "Estimate by rounding to 1 s.f." is in the category Number for 7th grade (ages 12 to 13).
1 / 6
This calculation rounded to 1 significant figure becomes 30 + 30
2 / 6
This calculation rounded to 1 significant figure becomes 100 - 10
3 / 6
This calculation rounded to 1 significant figure becomes $60 x 20
4 / 6
Rounding amounts to 1 significant figure, the answer to 6.47 cm x 34 cm is 180 cm²
5 / 6
Rounding amounts to 1 significant figure, the answer to 24 x 4.5 g is 100 g
6 / 6
Rounding amounts to 1 significant figure, the answer to 52,651 ÷ 54 is 1000
Revise 'Estimate by rounding to 1 s.f.' with one of our games for 7th grade
Home / 7th grade / Number / Rounding & estimating / Estimate by rounding to 1 s.f.
Each of our math topics for secondary are made up of between 6 and 20 question and answer pairs (both the written form and a robot voice speaking those questions and answers). Each topic can be used with all the activities on the site.
Number * Algebra * Ratio proportion rate * Geometry & measures * Probability * Statistics *