Math Games

Grade 5 - Number

Standard 5.N.2 - Round numbers up to 100,000.

Included Skills:

Use estimation strategies, including:
• front-end estimation
• compensation
• compatible numbers
• rounding
in problem-solving contexts.

• Achievement Indicators:
- 5N2.1 Round decimals to the nearest whole number, nearest tenth or nearest hundredth.
- 5N2.2 Determine the approximate solution to a given problem not requiring an exact answer.
- 5N2.3 Estimate a sum or product, using compatible numbers.
- 5N2.4 Apply front-end rounding to estimate:
• sums
• differences
• products
• quotients
- 5N2.5 Estimate the solution to a given problem, using compensation, and explain the reason for compensation.
- 5N2.6 Select and use an estimation strategy for a given problem.
- 5N2.7 Provide a context for when estimation is used to:
• make predictions
• check the reasonableness of an answer
• determine approximate answers.
- 5N2.8 Describe contexts in which overestimating is important.