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Unlock harder levels by getting an average of 80% or higher.

Earn up to 5 stars for each level

The more questions you answer correctly, the more stars you'll unlock!

Each game has 10 questions.

Green box means correct.

Yellow box means incorrect.

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Grade 5 - Number

Standard 5.N.2 - Estimate which sign makes the inequality true by first rounding the division problem numbers to the nearest numbers that divide evenly.

Included Skills:

Use estimation strategies in problem-solving contexts.

• Provide a context for when estimation is used to:

- make predictions.

- check the reasonableness of an answer.

- determine approximate answers.

• Describe contexts in which overestimating is important.

• Determine the approximate solution to a given problem not requiring an exact answer.

• Estimate a sum or product, using compatible numbers.

• Estimate the solution to a given problem, using compensation, and explain the reason for compensation.

• Select and use an estimation strategy for a given problem.

• Apply front-end rounding to estimate:

- sums; e.g., 253 + 615 is more than 200 + 600 = 800.

- differences; e.g., 974 – 250 is close to 900 – 200 = 700.

- products; e.g., the product of 23 × 24 is greater than 20 × 20 (400) and less than 25 × 25 (625).

- quotients; e.g., the quotient of 831 ÷ 4 is greater than 800 ÷ 4 (200).

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