CA 5 Adv GEMA Review 24-25

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which operations should be performed in a mathematical expression. The common acronym to remember this order is PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What operation should be performed first in the expression 10 - 4 ÷ 1 x 5?

Back

Division should be performed first, according to the order of operations.

Front

How do you set up an equation to represent a word problem?

Back

To set up an equation for a word problem, identify the quantities involved, define variables for unknowns, and translate the relationships described in the problem into mathematical expressions.

Front

If Mr. Anderson had 185 pieces of wood and sold 25, how many pieces does he have left?

Back

He has 160 pieces of wood left (185 - 25 = 160).

Front

What equation can be used to find the number of piles of wood Mr. Anderson made if each pile contains 40 pieces?

Back

The equation is 185 = (40 x p) + 25, where p is the number of piles.

Front

What is the result of simplifying the expression 17 - 5 · 3?

Back

The result is 2.

Front

What is the simplified value of the expression 15 + 7 × 2 – 11 + 35?

Back

The simplified value is 53.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by performing operations and combining like terms.

Front

What is the result of the expression 5 × 3 + 4?

Back

The result is 19.

Front

What is the difference between multiplication and division in terms of their operations?

Back

Multiplication is the operation of combining equal groups, while division is the operation of splitting a quantity into equal parts.