Relating addition and subtraction and playing the game BUMP; counting down. Relating addition and subtraction and playing the game BUMP; Working with numbers, starting with a number and counting ...

12 - 5 = 7 Just like with addition, we can use a part-whole model to help partition larger numbers to make them easier to deal with in subtraction problems.

Just like with whole numbers you can perform the four operations (addition, subtraction, multiplication and division) with fractions too. To divide fractions by a whole number, you divide the ...