Mastery Peak

Front

What is an estimate?

Back

An estimate is a rough calculation or judgment of the value, number, quantity, or extent of something.

Front

What is expanded form?

Back

Expanded form is a way of writing numbers that shows the value of each digit. For example, 90,241 can be written as 90,000 + 200 + 40 + 1.

Front

What is standard form?

Back

Standard form is the usual way of writing numbers using digits. For example, 90,241 is in standard form.

Front

How do you find the total number of items in multiple boxes?

Back

To find the total number of items in multiple boxes, multiply the number of items in one box by the number of boxes. For example, if there are 16 granola bars in each box and there are 4 boxes, the total is 16 × 4 = 64.

Front

What does the number 35,824 represent in terms of place value?

Back

The number 35,824 represents 3 ten thousands, 5 thousands, 8 hundreds, 2 tens, and 4 ones.

Front

How do you calculate the total number of items bought in packages?

Back

To calculate the total number of items bought in packages, multiply the number of packages by the number of items in each package. For example, if Alex bought 4 packages of golf balls with 12 balls each, the total is 4 × 12 = 48.

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 4 × 3 means adding 4 three times: 4 + 4 + 4 = 12.

Front

What is the difference between addition and multiplication?

Back

Addition combines numbers to find a total, while multiplication is repeated addition of the same number.

Front

What is a mathematical operation?

Back

A mathematical operation is a calculation that combines numbers in a specific way, such as addition, subtraction, multiplication, or division.

Front

What is the place value of the digit 2 in the number 35,824?

Back

In the number 35,824, the digit 2 is in the tens place, which means it represents 20.