S2 Math Basics

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 653, the digit 5 is in the tens place, meaning it represents 50.

Front

What is the place value of the digit 5 in the number 653?

Back

The place value of the digit 5 in the number 653 is tens.

Front

What is an exponent?

Back

An exponent is a number that shows how many times a base number is multiplied by itself. For example, in 3^4, 3 is the base and 4 is the exponent, meaning 3 is multiplied by itself 4 times.

Front

Solve: 3^4 = ?

Back

3^4 = 81.

Front

What is the hundreds place in a number?

Back

The hundreds place is the third digit from the right in a whole number. It represents how many hundreds are in the number.

Front

What digit is in the hundreds place in the number 1,942?

Back

The digit in the hundreds place in the number 1,942 is 9.

Front

What are like terms?

Back

Like terms are terms in an expression that have the same variable raised to the same power. For example, 7y and 3y are like terms.

Front

Combine like terms: 13 + 7y - 6 + 3y - y

Back

The combined like terms result in 9y + 7.

Front

What is the order of operations?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

Solve: 15 ÷ 5 + (16 − 13)

Back

15 ÷ 5 + (16 − 13) = 6.