Addition & Subtraction — 1st Grade (ages 6-7)

Number Line Add & Subtract to 10 – Exercise 1

Number Line Add & Subtract to 10 – Exercise 2

Number Line Add & Subtract to 10 – Exercise 3

Number Line Add & Subtract to 10 – Exercise 5

Number Line Add & Subtract to 10 – Exercise 4

Subtraction as Taking Away – Exercise 5

Subtraction as Taking Away – Exercise 3

Subtraction as Taking Away – Exercise 4

Subtraction as Taking Away – Exercise 2

Subtraction as Taking Away – Exercise 1

Addition Word Problems – Exercise 1

Addition Word Problems – Exercise 5

Addition Word Problems – Exercise 2

Addition Word Problems – Exercise 4

Addition Word Problems – Exercise 3

Subtract within 10 – Exercise 1

Subtract within 10 – Exercise 5

Subtract within 10 – Exercise 4

Subtract within 10 – Exercise 3

Subtract within 10 – Exercise 2

Add & Subtract within 20 – Exercise 4

Add & Subtract within 20 – Exercise 1

Add & Subtract within 20 – Exercise 2

Add & Subtract within 20 – Exercise 3

Add & Subtract within 20 – Exercise 5

Addition as Putting Together – Exercise 4

Addition as Putting Together – Exercise 1

Addition as Putting Together – Exercise 5

Addition as Putting Together – Exercise 3

Addition as Putting Together – Exercise 2

Addition & Subtraction within 10 – Exercise 3

Addition & Subtraction within 10 – Exercise 5

Addition & Subtraction within 10 – Exercise 1

Addition & Subtraction within 10 – Exercise 4

Addition & Subtraction within 10 – Exercise 2

Simple Addition (Ex. 1)

Simple Addition (Ex. 2)

Simple Subtraction (Ex. 4)

Simple Subtraction (Ex. 3)

Add within 10 – Exercise 3

Add within 10 – Exercise 4

Add within 10 – Exercise 5

Add within 10 – Exercise 1

Add within 10 – Exercise 2

Addition with Two Digits (Ex. 5)

Addition with Two Digits (Ex. 6)

Mixed Addition & Subtraction (Ex. 8)

Mixed Addition & Subtraction (Ex. 7)