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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 2 - Number

Standard 2.N.9 - Write a subtraction sentence to represent the word problem with numbers up to 100.

Included Skills:

Demonstrate an understanding of addition (limited to 1 and 2-digit numerals) with answers to 100 and the corresponding subtraction by:

• using personal strategies for adding and subtracting with and without the support of manipulatives

• creating and solving problems that involve addition and subtraction

• explaining that the order in which numbers are added does not affect the sum

• explaining that the order in which numbers are subtracted may affect the difference.

• Achievement Indicators

• Students who have achieved this outcome(s) should be able to:

- Model addition and subtraction using concrete materials or visual representations and record the process symbolically.

- Create an addition or a subtraction number sentence and a story problem for a given solution.

- Solve a given problem involving a missing addend and describe the strategy used.

- Solve a given problem involving a missing minuend or subtrahend and describe the strategy used.

- Match a number sentence to a given missing addend problem.

- Match a number sentence to a given missing subtrahend or minuend problem.

- Add a given set of numbers in two different ways, and explain why the sum is the same, e.g., 2 + 5 + 3 + 8 = (2 + 3) + 5 + 8 or 5 + 3 + (8 + 2).

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