Skill |
Standard |
Description |
Number Range |
Code |

1 |
Operations and Algebraic Thinking |
Add within 20 |
Integers from 1 to 10 |
1.OA.6 |

2 |
Operations and Algebraic Thinking |
Add within 20. |
Integers from 5 to 20 |
1.OA.6 |

3 |
Operations and Algebraic Thinking |
Add within 20. |
Integers from 10 to 20 |
1.OA.6 |

4 |
Operations and Algebraic Thinking |
Add within 20. |
Integers from 1 to 20 |
1.OA.6 |

5 |
Operations and Algebraic Thinking |
Subtract within 20. |
Integers from 1 to 10 |
1.OA.6 |

6 |
Operations and Algebraic Thinking |
Subtract within 20. |
Integers from 1 to 20 |
1.OA.6 |

7 |
Operations and Algebraic Thinking |
Determine the unknown whole number in an addition equation. |
Integers from 1 to 20 |
1.OA.8 |

8 |
Numbers and Operations in Base Ten |
Add within 100, including adding a two-digit number and a one-digit number. |
Integers from 1 to 100 and 1 to 10 |
1.NBT.4 |

9 |
Numbers and Operations in Base Ten |
Given a two digit number mentally find 10 more or 10 less. |
Integers from 10 to 100 and 10 |
1.NBT.5 |

10 |
Numbers and Operations in Base Ten |
Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences) |
Integers from 10 to 90 |
1.NBT.6 |

11 |
Operations and Algebraic Thinking |
Fluently add and subtract within 20 using mental strategies. |
Integers from 0 to 20 |
2.OA.2 |

12 |
Numbers and Operations in Base Ten |
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. |
Integers from 0 to 100 |
2.NBT.5 |

13 |
Numbers and Operations in Base Ten |
Add up to four two-digit numbers using strategies based on place value and properties of operations. |
Number Range: Integers from 0 to 1000 |
2.NBT.6 |

14 |
Numbers and Operations in Base Ten |
Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900. |
Number Range: Integers from 10 to 100 and 100 to 900 |
2.NBT.8 |

15 |
Operations and Algebraic Thinking |
Fluently multiply within 100. |
Factors from 0 to 10 |
3.OA.7 |

16 |
Operations and Algebraic Thinking |
Fluently divide within 100. |
Divisors and Quotients from 0 to 10 |
3.OA.7 |

17 |
Number and Operations in Base Ten |
Recognize that in a multi-digit whole number, a digit in one place represents ten times what it represents in the place to its right. |
Dividends from 10 to 1000 and Divisors of 10 or 100 |
4.NBT.A.1 |

18 |
Operations and Algebraic Thinking |
Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols. |
Integers 1 to 10 |
5.OA.A.1 |

19 |
Expressions and Equations |
Evaluate expressions at specific values of their variables. |
Integers 1 to 10 |
6.EE.A.2c |

20 |
Expressions and Equations |
Solve real-world and mathematical problems by writing and solving equations of the form x + p = q and px = q for cases in which p, q and x are all nonnegative rational numbers. |
Integers 1 to 10 |
6.EE.B.7 |