Addition61 Skills
Kindergarten
K.21

Addition with Pictures Up to 5

K.22

Addition with Pictures

K.23

Choose Addition Pictures

K.24

Choose Addition Pictures Up to 5

K.25

Addition with Pictures Up to 5, 10

K.26

Choose Addition Pictures Up to 10

K.27

Addition with Pictures Up to 10, 20

K.28

Choose Addition Pictures Up to 10

Grade 1
1.69

Count Groups of Ten to 20, 30, 120

1.77

Addition with a Specific Number

1.78

Addition with a Specific Number Up to 10

1.79

Complete the Equation with Sums Up to 20

1.80

Adding Doubles

Grade 2
2.57

Convert Numbers to Tens and Ones Up to 1000

2.58

Convert Numbers to Tens and Ones Up to 99

2.59

Regrouping Tens and Ones I

2.61

Adding Tens and Ones

2.75

Related Addition Equations Up to 10

2.76

Choose Addition Pictures Up to 10

2.77

How to Make a Number with Single Digits Up to 10

2.78

How to Make a Number - Values Up to 100

2.79

How to Make a Number - Sums and Numbers Up to 10

2.80

Adding Doubles

2.81

Addition with Single Digit Numbers with Sums Up to 20

2.82

Addition with a Specific Number

2.83

Complete the Equation with Sums Up to 20

2.85

Add a One Digit Number to a Two Digit Number

2.86

Add Two Digit Numbers

2.87

Add Numbers - Sums Up to 1000

2.88

Add Two Numbers Up to 100

2.117

Addition Input/Output Tables with Numbers Up to 100

2.118

Addition Input/Output Tables with Sums Up to 1000

2.120

Balance Addition Equations with Sums Up to 20

2.122

Balance Addition Equations with Sums Up to 100

2.123

Balance Addition Equations with Operands Up to 100

2.130

Balance Addition Equations with Sums Up to 1000

2.131

Balance Addition Equations with Operands Up to 1000

2.137

Complete the Equation with Sums Up to 100

2.139

Complete the Equation with Sums Up to 1000

2.140

Complete the Equation with Numbers Up to 1000

2.143

Related Addition Equations Up to 1000

Grade 3
3.53

Convert Numbers with Hundreds, Thousands, Millions

3.58

Add Two Numbers Up to 1000

3.111

Related Addition Equations Up to 10

3.112

Related Addition Equations Up to 1000

3.117

Balance Addition Equations with Sums Up to 1000

3.118

Balance Addition Equations with Operands Up to 1000

Grade 4
4.76

Convert Numbers with Hundreds, Thousands, Millions

4.77

Convert Numbers with Tens, Hundreds, Thousands

4.92

Add Two Numbers Up to 1000

4.93

Add Three Digit Numbers Ending in Zero Up to 1000

Grade 5
5.78

Convert Numbers with Tens, Hundreds, Thousands

5.85

Add Two Numbers Up to 5000000

5.87

Properties of Addition

Grade 6
6.91

Properties of Addition

Grade 7
7.115

Simplify Expressions Involving Integers

7.124

Add and Subtract Fractions

7.127

Integer Addition and Subtraction Rules

Grade 8
8.100

Add and Subtract Fractions

8.112

Integer Addition and Subtraction Rules

8.118

Simplify Expressions Involving Integers