enVision Math, 4th Grade, Topic 6 Practice Test

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 x 4 means adding 3 four times (3 + 3 + 3 + 3 = 12).

Front

What is the formula to find the total number of items sold?

Back

Total items sold = Number of items sold per showing x Number of showings.

Front

How do you estimate the total number of seats in an auditorium?

Back

To estimate, round the number of rows and seats to the nearest ten or hundred, then multiply. For example, 24 rows of 42 seats can be estimated as 20 x 40 = 800.

Front

What is the value of 54 x 30?

Back

54 x 30 = 1,620.

Front

How do you calculate the total cost of multiple items?

Back

Total cost = Number of items x Cost per item. For example, if 40 boxes cost $30 each, then total cost = 40 x 30 = $1,200.

Front

What is the difference between a big rig truck and a car in terms of wheels?

Back

A big rig truck has 18 wheels, while a typical car has 4 wheels. Therefore, 2 big rig trucks have 36 wheels, and 5 cars have 20 wheels.

Front

What is the best way to solve a word problem?

Back

Read the problem carefully, identify the key information, determine what is being asked, and then choose the appropriate mathematical operation to solve it.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified place value, making it simpler to work with. For example, rounding 42 to the nearest ten gives you 40.

Front

What is the importance of estimating in math?

Back

Estimating helps to quickly assess the reasonableness of an answer and can simplify calculations.

Front

How do you find the total number of wheels on multiple vehicles?

Back

Multiply the number of vehicles by the number of wheels each vehicle has. For example, for 2 big rig trucks: 2 x 18 = 36 wheels.