Go Math Chapter 4

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 taking one number away from another.

Front

What is a number sentence?

Back

A number sentence is a mathematical statement that shows a relationship between numbers using operations like addition or subtraction.

Front

How do you find the total number of items?

Back

To find the total number of items, you add the quantities of each group together.

Front

If there are 18 girls and 9 boys, how many children are there in total?

Back

27 Children (18 + 9 = 27).

Front

Mary has 43 stamps and 13 are blue. How many are red?

Back

30 red stamps (43 - 13 = 30).

Front

What is the sum of 19 and 41?

Back

60 (19 + 41 = 60).

Front

Mandy has 26 baseball cards, 42 football cards, and 38 basketball cards. How many cards does she have in total?

Back

106 cards (26 + 42 + 38 = 106).

Front

What is the result of 83 + 76?

Back

159 (83 + 76 = 159).

Front

What does 'total' mean in math?

Back

Total means the final amount you get after adding numbers together.