enVision Math, 4th Grade, Topic 4 Practice Test

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, often to the nearest ten, hundred, or other place value.

Front

Estimate the total number of tissues if Mrs. Henderson bought 4 boxes with 174 tissues each using rounding.

Back

4 X 200 = 800

Front

How many tortillas can Mrs. Ortiz make if she makes 4 batches of dough, with each batch making 50 tortillas?

Back

200

Front

What does breaking apart mean in multiplication?

Back

Breaking apart is a strategy where you split a number into smaller, more manageable parts to make multiplication easier.

Front

Use breaking apart to find 5 X 17.

Back

(5 X 10) + (5 X 7)

Front

If a factory produces 295 cars in one week, how many cars does it produce in 4 weeks?

Back

1,180

Front

What is compensation in mathematics?

Back

Compensation is a strategy where you adjust one number to make a calculation easier, then adjust the result accordingly.

Front

If Ed rode around a bike loop 18 times, and the loop is 8 miles long, how can he use compensation to find the total distance?

Back

First, he multiplied 20 X 8 = 160, then he should subtract 16 to account for the extra loop.

Front

What is the formula to find the total number of items when you know the number of batches and items per batch?

Back

Total items = Number of batches X Items per batch.

Front

What is the purpose of estimating in mathematics?

Back

Estimating helps to quickly assess the size or amount of a number without calculating the exact value.