Math Foundations · MF.NS.2

Estimate sums, products, quotients, and percent results, then judge whether an exact answer is reasonable.

Estimate sums, products, quotients, and percent results, then judge whether an exact answer is reasonable.

Branded illustration for Estimate sums, products, quotients, and percent results, then judge whether an exact answer is reasonable.
Concept Number Sense
Domain Estimation and Reasonableness
Problem Types

Problem Templates In This Objective

12 problem types are attached to this objective. The full web app handles practice, answers, hints, and walkthroughs.

Template 1

Estimate a sum with rounding

4 variants
Template 2

Estimate a product with specified rounding

4 variants
Template 3

Estimate a quotient with a specified compatible dividend

4 variants
Template 4

Estimate a percent amount with a specified benchmark

4 variants
Template 5

Estimate a contextual total with a specified rounding rule

4 variants
Template 6

Estimate a contextual product with specified factors

4 variants
Template 7

Estimate a contextual quotient or percent with a specified benchmark

4 variants
Template 8

Use an estimate to check an exact answer

4 variants
Template 9

Rewrite an expression using specified benchmarks

4 variants
Template 10

Use a specified benchmark-percent rewrite

4 variants
Template 11

Use estimation to choose the best answer

4 variants
Template 12

Estimate a multi-step result with specified benchmarks

4 variants