Unit 3 Practice

Front

What is the total number of apples Yasir should order for 15 weeks if each week the cows eat 45 apples?

Back

675 apples (calculated as 15 weeks × 45 apples/week = 675 apples).

Front

Calculate the product of 24 and 58.

Back

1,392 (calculated as 24 × 58 = 1,392).

Front

Which expression is equal to 45? (30 – 20) + 5, (20 + 5) – 30, 30 + (20 – 5), or 30 – (5 + 20)?

Back

30 + (20 – 5) is equal to 45.

Front

What is the quotient of 972?

Back

972 is the answer to the division problem.

Front

What does the expression 4 × (49 + 20) represent?

Back

It represents the sum of 49 and 20 multiplied by 4.

Front

Define multiplication.

Back

Multiplication is a mathematical operation that represents the repeated addition of a number.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers and variables without an equality sign, while an equation states that two expressions are equal.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

What is a quotient?

Back

A quotient is the result of dividing one number by another.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting variables with numbers.