Below is a table showing the first 6 question answer pairs for the topic "Estimate to add: 2-digit numbers" as used in the lessons for this topic. Our games and tests for the topic use these 6 items plus 8 additional question answer pairs.
The topic "Estimate to add: 2-digit numbers" is in the category Addition for 5th grade (ages 10 to 11).
1 / 6
Rounded to 1 significant figure, 27 + 41 becomes 30 + 40 which is 70
2 / 6
Rounded to 1 significant figure, 60 + 17 becomes 60 + 20 which is 80
3 / 6
Rounded to 1 significant figure, 32 + 23 + 42 becomes 30 + 20 + 40 which is 90
4 / 6
Rounded to 1 significant figure, 37 + 58 becomes 40 + 60 which is 100
5 / 6
Rounded to 1 significant figure, 37 + 67 becomes 40 + 70 which is 110
6 / 6
Rounded to 1 significant figure, 13 + 16 becomes 10 + 20 which is 30
Revise 'Estimate to add: 2-digit numbers' with one of our games for 5th grade
Home / 5th grade / Addition / Estimate to add / Estimate to add: 2-digit numbers
Each of our math topics for elementary 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.
Counting * Comparing numbers * Pattern * Place value * Addition * Subtraction * Add + Subtract * Multiplication * Division * Multiply + Divide * Fractions * Decimals * Ratio + proportion * Measurements * Shapes * Position + Direction * Statistics * Algebra *