Estimation and Test Prep

Front

Round to Nearest Tenth: 8.59

Back

8.6

Front

Tom bought a book for $9.75 and a pen for $2.60. He paid with a $20 bill. How much change should Tom get back?

Back

$7.65

Front

Jared rode 128.5 miles the first day of a 3-day race. On the second day, he rode 28 miles less than he did on the first day. If the total race was 300 miles, how far did Jared ride on the final day?

Back

71 miles

Front

Monica bought a skirt for $14.50 and a hat for $12.25. She paid with $40.00. How much change should Monica receive?

Back

$23.25

Front

Round to nearest whole number: 25.38

Back

25

Front

What is estimation in mathematics?

Back

Estimation is a method of finding an approximate value that is close to the actual value.

Front

Why is rounding important?

Back

Rounding helps simplify numbers, making them easier to work with, especially in estimation.

Front

What is the process of rounding to the nearest whole number?

Back

Look at the digit to the right of the target place value. If it's 5 or more, round up; if it's less than 5, round down.

Front

How do you calculate change from a purchase?

Back

Subtract the total cost of items from the amount paid.

Front

What is the total distance Jared rode over the three days?

Back

300 miles.