## 2.NR.2.1 - Fluently add and subtract within 20 using a variety of mental, part-whole strategies.

### Displaying 1 - 50 of 71 resources:

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### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 1

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 1

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 10

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 10

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 11

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 11

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 12

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 12

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 13

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 13

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 14

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 14

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 15

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 15

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 16

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 16

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 17

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 17

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 18

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 18

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 19

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 19

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 2

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 2

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 20

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 20

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 21

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 21

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 22

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 22

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 23

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 23

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 24

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 24

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 25

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 25

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 26

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 26

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 27

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 27

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 28

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 28

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 29

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 29

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 3

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 3

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 30

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 30

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 31

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 31

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 32

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 32

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 33

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 33

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 34

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 34

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 35

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 35

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 36

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 36

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 37

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 37

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 4

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 4

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 5

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 5

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 6

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 6

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 7

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 7

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 8

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 8

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 9

Math Example--Arithmetic--Two-Digit Sums to 20 (No Regrouping)--Example 9

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 1

Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 1

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 10

Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 10

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 11

Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 11

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 12

Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 12

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 13

Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 13

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 14

Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 14

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 15

Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 15

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 16

Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 16

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 17

Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 17

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 18

Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 18

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 19

Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 19

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.

### Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 2

Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 2

This is part of a collection of math examples that focus on addition, subtraction, multiplication, and division skills.