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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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Grade 4 - Number
Standard 4.N.3 - Choose numbers that result in a particular difference.
Included Skills:
Demonstrate an understanding of addition of numbers with answers to 10 000 and their corresponding subtractions (limited to 3- and 4- digit numerals) by:
• using personal strategies for adding and subtracting.
• estimating sums and differences.
• solving problems involving addition and subtraction.
• Explain how to keep track of digits that have the same place value when adding numbers, limited to 3- and 4-digit numerals.
• Explain how to keep track of digits that have the same place value when subtracting numbers, limited to 3- and 4-digit numerals.
• Describe a situation in which an estimate rather than an exact answer is sufficient.
• Estimate sums and differences, using different strategies; e.g., front-end estimation and compensation.
• Refine personal strategies to increase their efficiency.
• Solve problems that involve addition and subtraction of more than 2 numbers.
• Solve a given problem using the standard/traditional addition algorithm.
• Solve a given problem using the standard/traditional subtraction algorithm.
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