Adding and Subtracting Whole Numbers

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What is the sum of 261,789 and 34,605?

Back

296,394

Front

What is the sum of 821 and 4,543?

Back

5,364

Front

How do you find the total number of items from different groups?

Back

You add the quantities of each group together.

Front

If a duck weighs 2,300 grams and a chicken weighs 1,675 grams, how do you find out how much heavier the duck is?

Back

Subtract the weight of the chicken from the weight of the duck: 2,300 - 1,675 = 625 grams.

Front

What is the total of 7,845, 509, and 3,746?

Back

12,100

Front

What is a word problem in math?

Back

A word problem is a mathematical question presented in the form of a story or real-life scenario.

Front

What does it mean to 'carry' in addition?

Back

Carrying is a method used in addition when the sum of a column exceeds 10, requiring you to carry over to the next column.

Front

What does it mean to 'borrow' in subtraction?

Back

Borrowing is a method used in subtraction when the top number is smaller than the bottom number in a column, requiring you to borrow from the next column.