Chapter 1 Review

Math Speak

100

When numbers are simply written as numbers with commas and decimals.

What is standard form?

200

Every three place values in a whole number are in one of these.

What is a period?

300

This punctuation mark indicates the end of whole numbers and the beginning of fractional parts.

What is a decimal point?

400

The written form when there are no numbers at all.

What is word form?

500

The term that decides the number below the exponent.

What is the base?

Place Value

100

The place value of 7 in this number:

13.437

What is thousandths?

200

The value of the largest place value digit in this number:

1,000,000,000,000

What is 1 trillion?

300

The place value six places to the right of the decimal.

What is millionths?

400

The place value of this number:

10⁶

What is 1 million?

500

The place value of this number:

10^-4

What is 1 ten thousandths?

Expand on This

100

Expand using multiplication:

3,421

What is:

(3x1000) + (4x100) + (2x10) + (1x1)?   

or

(3x10³) + (4x10²) + (2x10¹) + (1x10⁰)?

200

The standard form of this expanded number:

(5x10⁴) + (1x10²) and (3x10^-2)

What is 50,100.03?

300

This number using addition in expanded form:

67,822.135

What is:

(6x10,000) + (7x1,000) + (8x100) + (2x10) + (2x1) + (1x.1) + (3x.01) + (5x.001)?

60,000 + 7,000 + 800 + 20 + 2 + .1 + .03 + .005?

400

Write this number in standard form:

(3x10⁸) + (3x10^-6)

What is 300,000,000.000003?

500

Write this number in expanded form:

111.000001

What is (1x10²) + (1x10¹) + (1x10⁰) + (1x10^-6)?

or

100+11+1+.000001?

or

(1x100) + (1x10) + (1x1) + (1x.000001)?

Rounding

100

Complete the following rounding rule:

"Four or less, let it ________".  Five or more, ___ the score."

What is rest and up?

200

The place value you check if you are rounding to the hundreds place.

What is the tens place?

300

When rounding a number to the tenths place, this is what you do to the rest of the digits in the thousandths and ten-thousandths places.

What is change the digits to zeros?

400

This is what happens to the price $15.99 when you round to the nearest whole dollar.

What is it rounds up to $16.00?

500

Solve this equation using front-end estimation to find the estimated sum:

  26.57 + 0.17

What is about 26?

"Sum Differences"

100

Add.

7 + 8.56

What is 15.56?

200

Find the difference:

0.91 - 0.745

What is 0.165?

300

Besides lining up the decimals in the numbers, this is the other first step to complete before beginning to add or subtract.

What is add zeros to hold place value?

400

Find the difference:

$100 - $55.99

What is $44.01?

500

Find the sum:

4,509.88 + 430.618 +777.1

What is 5,717.598?