Pemdas, Numerical Expressions

Front

What does PEMDAS stand for in mathematical operations?

Back

PEMDAS stands for Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

How do you solve a numerical expression using PEMDAS?

Back

Follow the order of operations: first solve expressions in parentheses, then exponents, followed by multiplication and division from left to right, and finally addition and subtraction from left to right.

Front

What is the result of the expression 39 + 2 x 4 - 37?

Back

The result is 10, calculated as follows: 39 + (2 x 4) - 37 = 39 + 8 - 37 = 10.

Front

If Laura has 21 bows and loses 3, how many does she have left?

Back

Laura has 18 bows left after losing 3 bows.

Front

How do you calculate the total number of items after gaining and losing some?

Back

To find the total, subtract the number of items lost from the initial amount and then add any items gained.

Front

What is the total amount of money Amelia has after her transactions?

Back

Amelia has $82 left after spending $12 on a sweater, earning $2, and spending $8 on a shirt.

Front

How do you determine the number of pairs of shoes David has after buying more and losing one?

Back

Start with the initial number of pairs, add the new pairs bought, and then subtract the lost pair.

Front

What is the importance of understanding the order of operations in solving numerical expressions?

Back

Understanding the order of operations is crucial to ensure that calculations are performed correctly and consistently.

Front

If Ruby starts with 42 french fries, eats 31, receives 10 more, and eats 2 more, how many does she have left?

Back

Ruby has 19 french fries left after these transactions.

Front

What is the first step in solving the expression 39 + 2 x 4 - 37?

Back

The first step is to perform the multiplication: 2 x 4 = 8.