Estimating Base 10

Finding an answer close to the exact answer.

• being precise

• calculating

• estimating

• counting

The first digit to the right of the decimal is

• ones

• thousandths

• hundredths

• tenths

Any of the numbers 0-9 is called a (an)

• answer

• bundling

• digit

• base ten system

Round to the nearest ten to estimate the sum.

36 + 64 =

• 100

• 110

• 90

• 10

Round to the nearest TEN to get an estimated sum: 634 + 128

• 800

• 760

• 700

• 762

a number close to an exact number

• decimal

• estimate

• multiples

• multiply

Which number would NOT round to 500?

• 468

• 532

• 447

What is the best estimate of the number 678

• 670

• 680

• 660

• 650

To find a number that is CLOSE to the actual number is to ________.

• round

• guess

• actual answer

• estimate

Cale bought 231 cows and Lisa bought 392 cows. About how many total cows did they buy?

• 500 cows

• 1,000 cows

• 200 cows

• 100 cows