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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 2 - The Number System

Standard 2.NS.1.7 - Split the number into tens and ones to complete the equation.

Included Skills:

Students will be expected to illustrate, concretely and pictorially, the meaning of place value for numerals to 100.

• Performance Indicators

- N07.01 Explain and show with counters the meaning of each digit for a given 2-digit numeral with both digits the same.

- N07.02 Count the number of objects in a given set using groups of 10s and 1s, and record the result as a 2-digit numeral under the headings of 10s and 1s.

- N07.03 Describe a given 2-digit numeral in at least two ways.

- N07.04 Illustrate using ten-frames and diagrams that a given numeral consists of a certain number of groups of ten and a certain number of ones.

- N07.05 Illustrate using proportional base-ten materials that a given numeral consists of a certain number of tens and a certain number of ones.

- N07.06 Explain why the value of a digit depends on its placement within a numeral.

- N07.07 Represent one unit if shown a pre-grouped model representing ten.

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