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Each game has 10 questions.

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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 3 - Number

Standard 3.N.9 - Complete the addition sentence by filling in the missing number with sums up to 1000.

Included Skills:

Demonstrate an understanding of addition and subtraction of numbers with answers to 1000 (limited to 1, 2 and 3-digit numerals) by:

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

• creating and solving problems in contexts that involve addition and subtraction of numbers concretely, pictorially and symbolically.

• Achievement Indicators

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

- Model the addition of two or more given numbers using concrete or visual representations and record the process symbolically.

- Model the subtraction of two given numbers using concrete or visual representations and record the process symbolically.

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

- Determine the sum of two given numbers using a personal strategy, e.g., for 326 + 48, record 300 + 60 + 14.

- Determine the difference of two given numbers using a personal strategy, e.g., for 127 – 38, record 38 + 2 + 80 + 7 or 127 – 20 – 10 – 8.

- Solve a given problem involving the sum or difference of two given numbers.

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