Extend the count sequence to 120 | Extend the count sequence to 120. Read, write, and represent numerical values to 120 and compare numerical values to 100. | 1.NR.1 |
Count within 120, forward and backward, starting at any number | Count within 120, forward and backward, starting at any number. In this range, read and write numerals and represent a number of objects with a written numeral. | 1.NR.1.1 |
Explain that the two digits of a 2-digit number represent the amounts of tens… | Explain that the two digits of a 2-digit number represent the amounts of tens and ones. | 1.NR.1.2 |
Compare and order whole numbers up to 100 using concrete models, drawings | Compare and order whole numbers up to 100 using concrete models, drawings, and the symbols >, =, and <. | 1.NR.1.3 |
Explain the relationship between addition and subtraction and apply the… | Explain the relationship between addition and subtraction and apply the properties of operations to solve real-life addition and subtraction problems within 20. | 1.NR.2 |
Use a variety of strategies to solve addition and subtraction problems within… | Use a variety of strategies to solve addition and subtraction problems within 20. | 1.NR.2.1 |
| | Use pictures, drawings, and equations to develop strategies for addition and subtraction within 20 by exploring strings of related problems. | 1.NR.2.2 |
Recognize the inverse relationship between subtraction and addition within 20… | Recognize the inverse relationship between subtraction and addition within 20 and use this inverse relationship to solve authentic problems. | 1.NR.2.3 |
Fluently add and subtract within 10 using a variety of strategies | Fluently add and subtract within 10 using a variety of strategies. | 1.NR.2.4 |
Use the meaning of the equal sign to determine whether equations involving… | Use the meaning of the equal sign to determine whether equations involving addition and subtraction are true or false. | 1.NR.2.5 |
Determine the unknown whole number in an addition or subtraction equation… | Determine the unknown whole number in an addition or subtraction equation relating to three whole numbers. | 1.NR.2.6 |
Apply properties of operations as strategies to solve addition and subtraction… | Apply properties of operations as strategies to solve addition and subtraction problem situations within 20. | 1.NR.2.7 |
Use concrete models, the base ten structure | Use concrete models, the base ten structure, and properties of operations to add and subtract within 100. | 1.NR.5 |
Use a variety of strategies to solve applicable, mathematical addition and… | Use a variety of strategies to solve applicable, mathematical addition and subtraction problems with one- and two-digit whole numbers. | 1.NR.5.1 |
Given a two-digit number, mentally find 10 more or 10 less than the number… | Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used. | 1.NR.5.2 |
Add and subtract multiples of 10 within 100 | Add and subtract multiples of 10 within 100. | 1.NR.5.3 |