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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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Fourth - Number, money and measure
Standard 4.NS.1.1 - Estimate products of mixed fractions by first rounding to the nearest whole, then simplifying.
Included Skills:
Estimation and rounding
• Having investigated the practical impact of inaccuracy and error, I can use my knowledge of tolerance when choosing the required degree of accuracy to make real-life calculations.
• Rounds answers to a specified significant figure.
• Demonstrates that the context of the question needs to be considered when rounding.
• Demonstrates the impact of inaccuracy and error, for example, the impact of rounding an answer before the final step in a multi-step calculation.
• Uses a given tolerance to decide if there is an allowable amount of variation of a specified quantity, for example, dimensions of a machine part, 235 mm ± 1 mm.
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