Teaching
Subtraction using Common Core Math Standards begins in
kindergarten and includes the concept of the base 10 system. This includes the idea of
counting in fives, tens, and multiples of hundreds, tens, and one, as well as
number relationships involving these units. Students will use numbers up to 1000
written in base 10 notation. For example: 941 is 9 hundreds, 4 tens and 1 one.

Common core standards for subtraction by grade

Kindergarten: Represent the concept of addition and subtraction with
objects, fingers, drawings, sounds (clapping), or numbers. Solve addition
and subtraction word problems within the number 10. Decompose numbers less than
or equal to 10 into pairs in more than one way. For example 5=2+3 and 5=4+1.
For any number from 1-9 find the number that makes 10 when added to
the given number. Fluidly add and subtract within 5.

1st: Use addition and subtraction within 20 to solve word problems. Solve
word problems that call for addition of three whole numbers whose sum is less
than or equal to 20. Create equivalent but easier or known sums, for
example: 6+7 is also 6+6+1.

2nd: Use addition and subtraction within 100 to solve one and two step word
problems. Add and subtract within 20. By the end of grade 2 your student should
know from memory all sums of two one digit numbers. Work with equal groups
of objects to gain the foundations for multiplication. Determine whether a group
of objects, up to 20, has an odd or even number of members by pairing objects.
Use addition to find the total number of objects arranged in a rectangular array
of up to five rows and five columns.

3rd: Interpret products of whole numbers 5 x 7 as the total number of
objects in five groups of seven objects each. Interpret whole number
quotients 56 divided by 8 as the number of objects in each share when 56 objects
are partitioned equally into eight shares. Use multiplication and division
within 100 to solve word problems in situations involving equal groups.

Subtraction Games:

Drag and drop math
game for subtraction

Pop the Balloon
Subtraction Game

Step-by-step guide how to teach subtraction homeschool math

Kindergarten and First Grade teaching addition ideas

National Common Core Standards
US for Math K-12

Kindergarten Common Core Math Classroom activities and games for math

2nd Grade
Math Common Core Classroom Activities and Games

3rd Grade
Math Common Core Classroom Activities and Games

4th Grade
Math Common Core Classroom Activities and Games

**
Here are some addition games:**

Robot
Addition

Addition Pizza Party

Puppy
Canoe Race Addition game

Funky
Mummy

Soccer
Shootout

Addition Car Race Game

Power
Football

Math
Mix

k12
flash Math Operations

Math
Games

Free Presentations in
PowerPoint format