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.

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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Math Games for Teachers

Grade 5 - The Number System

Standard 5.NS.1.11 - Solve addition and subtraction word problems with decimals.

Included Skills:

Students will be expected to demonstrate an understanding of addition and subtraction of decimals (limited to thousandths).
Performance Indicators
- N11.01 Predict sums and differences of decimals using estimation strategies.
- N11.02 Use estimation to correct errors of decimal point placements in sums and differences without using paper and pencil.
- N11.03 Explain why keeping track of place-value positions is important when adding and subtracting decimals.
- N11.04 Solve problems that involve addition and subtraction of decimals, limited to thousandths, using personal strategies.

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