Addition123 Skills
Grade 1
1.5

Count Groups of Ten to 20, 30, 120

1.16

Convert Numbers to Tens and Ones Up to 1000

1.17

Convert Numbers to Tens and Ones Up to 99

1.19

How to Make a Number with Sums Up to 10

1.20

How to Make a Number - Values Up to 100

1.21

How to Make a Number with Single Digits Up to 10

1.23

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

1.38

Addition with Sums Up to 10

1.39

Addition Sentences Up to 20

1.40

Addition with Sums Up to 18

1.41

3 Numbers

1.46

Add and Subtract Numbers Up to 18

1.48

Addition with Pictures Up to 10, 20

1.49

Addition with Pictures Up to 5, 10

1.50

Addition with Pictures

1.51

Choose Addition Pictures Up to 10

1.52

Choose Addition Pictures

1.53

Choose Addition Pictures Up to 10

1.66

Related Addition Equations Up to 10

1.67

Related Addition Equations Up to 1000

1.72

Addition with a Specific Number

1.73

Adding Doubles

1.76

Addition with a Specific Number Up to 10

1.77

Add Two Numbers Up to 20

1.78

Add Two Numbers Up to 100

1.82

Complete the Equation with Sums Up to 20

Grade 2
2.7

Count Groups of Ten to 20, 30, 120

2.14

How to Make a Number - Values Up to 100

2.15

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

2.21

Convert Numbers to Tens and Ones Up to 1000

2.22

Convert Numbers to Tens and Ones Up to 99

2.23

Regrouping Tens and Ones I

2.25

Adding Tens and Ones

2.31

Balance Addition Equations with Sums Up to 20

2.33

Balance Addition Equations with Sums Up to 100

2.34

Balance Addition Equations with Operands Up to 100

2.37

Balance Addition Equations with Sums Up to 1000

2.38

Balance Addition Equations with Operands Up to 1000

2.58

Addition with Sum Up to 100

2.59

Adding Three or More Numbers

2.61

Adding Three or More Numbers with One or Two Digits

2.62

Addition Sentences Up to 1000

2.67

Addition with Pictures Up to 10

2.68

Choose Addition Pictures Up to 10

2.69

Addition with Pictures Up to 20

2.70

Write Addition Sentences to Describe Pictures

2.71

Addition Sentences Up to 100

2.77

Related Addition Equations Up to 10

2.78

Related Addition Equations Up to 1000

2.83

How to Make a Number with Single Digits Up to 10

2.84

Choose Addition Pictures Up to 10

2.85

Addition Input/Output Tables with Sums Up to 20

2.87

Adding Doubles

2.88

Addition with a Specific Number

2.91

Add Tens

2.92

Add a One Digit Number to a Two Digit Number

2.93

Add Two Digit Numbers

2.94

Add Numbers - Sums Up to 1000

2.95

Add Two Numbers Up to 100

2.96

Adding Three or More Numbers

2.102

Add Three Digit Numbers Ending in Zero Up to 1000

2.103

Add Multiples of 100

2.106

Addition with Single Digit Numbers with Sums Up to 20

2.108

Addition Input/Output Tables with Numbers Up to 100

2.109

Addition Input/Output Tables with Numbers Up to 100

2.110

Addition Input/Output Tables with Sums Up to 1000

2.113

Complete the Equation with Sums Up to 20

2.115

Complete the Equation with Sums Up to 100

2.117

Complete the Equation with Sums Up to 1000

2.118

Complete the Equation with Numbers Up to 1000

Grade 3
3.6

Convert Numbers with Tens, Hundreds, Thousands

3.8

Convert Numbers with Hundreds, Thousands, Millions

3.9

Balance Addition Equations with Sums Up to 1000

3.10

Balance Addition Equations with Operands Up to 1000

3.39

Addition Input/Output Tables with Numbers Up to 100

3.40

Addition Input/Output Tables with Sums Up to 1000

3.41

Numbers Up to 1000 Review

3.42

Numbers Up to 1000

3.43

Adding Three or More Numbers

3.58

Properties of Addition

3.59

Solve Using Properties of Addition

3.73

Add Two Numbers Up to 1000

3.74

Add Three Digit Numbers Ending in Zero Up to 1000

3.76

Increasing Addition Patterns

3.77

Add Two Numbers Up to 5000000

3.78

Adding Three or More Numbers

3.79

Adding Three or More Numbers with One or Two Digits

3.80

Complete the Equation with Numbers Up to 1000

3.85

Related Addition Equations Up to 10

3.86

Choose Addition Pictures Up to 10

3.87

How to Make a Number with Single Digits Up to 10

3.88

How to Make a Number - Values Up to 100

3.89

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

3.90

Addition with Single Digit Numbers with Sums Up to 20

3.91

Addition Input/Output Tables with Sums Up to 20

3.98

Complete the Equation with Sums Up to 1000

Grade 4
4.6

Choose Numbers with a Particular Sum

4.11

Balance Addition Equations with Sums Up to 1000

4.12

Balance Addition Equations with Operands Up to 1000

4.16

Increasing Addition Patterns

4.58

Numbers Up to 5000000

4.71

Properties of Addition

4.86

Add Two Numbers Up to 1000

4.88

Addition with a Specific Number Up to 10

4.89

Addition with a Specific Number

4.102

Add Two Numbers Up to 5000000

4.105

Complete the Equation with Sums Up to 1000

4.106

Complete the Equation with Numbers Up to 1000

Grade 5
5.3

Choose Numbers with a Particular Sum

5.40

Numbers Up to 5000000

5.62

Properties of Addition

5.75

Add Two Numbers Up to 5000000

Grade 6
6.29

Numbers Up to 5000000

6.57

Add Two Numbers Up to 5000000

6.59

Properties of Addition

Grade 7
7.3

Simplify Expressions Involving Integers

7.5

Integer Addition and Subtraction Rules

7.88

Add and Subtract Fractions

7.161

Properties of Addition and Multiplication

Grade 8
8.44

Integer Addition and Subtraction Rules

8.49

Simplify Expressions Involving Integers

8.74

Add and Subtract Fractions

8.129

Properties of Addition and Multiplication