3.4A, 3.4B, 3.5A Math Review

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. For example, 5 - 2 = 3.

Front

What is addition?

Back

Addition is the process of combining two or more numbers to get a total. For example, 3 + 2 = 5.

Front

How do you find the difference between two numbers?

Back

To find the difference, subtract the smaller number from the larger number. For example, the difference between 10 and 4 is 10 - 4 = 6.

Front

What is a word problem in math?

Back

A word problem is a math question that is presented in a narrative form, requiring you to extract the numbers and operations needed to solve it.

Front

If a student council raised $1,000 and spent $238 on fiction books and $526 on non-fiction books, how much did they spend on dictionaries?

Back

They spent $236 on dictionaries.

Front

How do you estimate the total number of people at an event?

Back

To estimate the total, round the numbers of attendees to the nearest ten or hundred and then add them together.

Front

What is the total number of attendees if 232 students and 131 parents attended a meeting?

Back

The total number of attendees is 363.

Front

If there are 678 students and 98 are third graders, how do you find out how many are not third graders?

Back

Subtract the number of third graders from the total number of students: 678 - 98 = 580.

Front

What is the process to find out how many items are left after some are sold?

Back

Subtract the number of items sold from the original number of items.

Front

If a tree company started with 497 trees and sold 235 and then 148, how many trees are left?

Back

They have 114 trees remaining.