Order of Operations and Whole Numbers

Front

What is the Order of Operations?

Back

The Order of Operations is a set of rules that tells you the correct sequence to evaluate a mathematical expression. The order is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered by the acronym PEMDAS.

Front

What does the term 'place value' mean?

Back

Place value refers to the value of a digit based on its position in a number. For example, in the number 345, the digit 3 is in the hundreds place, so it represents 300.

Front

How many hours are in a day?

Back

There are 24 hours in a day.

Front

What is the value of the digit 7 in the number 77?

Back

In the number 77, the first 7 represents 70 (or 7 tens) and the second 7 represents 7 (or 7 ones).

Front

If Terry is 85 years old, how many months old is he?

Back

Terry is 85 years old, which is 85 x 12 = 1,020 months old.

Front

What is the total number of Pokémon Cards Alex has after receiving cards from his cousins?

Back

Alex starts with 11 cards and receives 3 cousins x 10 cards each = 30 cards. Total = 11 + 30 = 41 cards.

Front

What does it mean for a digit to be 10 times more than another digit?

Back

If a digit is 10 times more than another digit, it means it represents a value that is ten times greater. For example, in the number 70, the 7 is 10 times more than the 7 in the ones place.

Front

What is the expression to find the total number of cards Alex has?

Back

The expression is (3 x 10) + 11.

Front

How do you convert years to months?

Back

To convert years to months, multiply the number of years by 12.

Front

What is the value of the digit in the tens place of the number 34?

Back

In the number 34, the digit in the tens place is 3, which represents 30.