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Master addition, subtraction, multiplication, and division with whole numbers
Learn step-by-step with practice exercises built right in.
Whole numbers are the numbers 0, 1, 2, 3, 4, 5, and so on. They are the counting numbers plus zero.
Combining two or more numbers to find their total.
Example:
Finding the difference between two numbers.
Example:
Calculate:
Solution:
Line up the numbers by place value:
&278 \\ + &445 \\ \hline &723 \end{align}$$ **Answer:** $723$Review key concepts with our flashcard system
Explore more Grade 6 Math topics
Repeated addition or finding the total of equal groups.
Example:
Splitting a number into equal parts.
Example:
Commutative Property (+ and ×): Order doesn't matter
Associative Property (+ and ×): Grouping doesn't matter
Order of Operations: Use PEMDAS when multiple operations appear
Calculate:
Solution:
Line up the numbers by place value:
&278 \\ + &445 \\ \hline &723 \end{align}$$ **Answer:** $723$A store had 1,250 items in stock. They sold 487 items on Monday and 329 items on Tuesday. How many items are left?
Solution:
First, find total items sold:
Then subtract from original stock:
Answer: 434 items are left in stock
A store had 1,250 items in stock. They sold 487 items on Monday and 329 items on Tuesday. How many items are left?
Solution:
First, find total items sold:
Then subtract from original stock:
Answer: 434 items are left in stock
Calculate:
Solution:
Follow order of operations (PEMDAS):
Step 1: Multiply and divide first (left to right)
Step 2: Subtract
Answer:
Calculate:
Solution:
Follow order of operations (PEMDAS):
Step 1: Multiply and divide first (left to right)
Step 2: Subtract
Answer: