Chapter 1

Question 1

Expanded form

Answer 1

Writing a number by place value. Commonly written in a addition problem. (Example) (2x10)+(4x1)=21

Question 2

Word form

Answer 2

Writing a number in words. (Example) One hundred twenty-one

Question 3

Place value

Answer 3

Place value explains the value of a section of the number. (Example) 1_2_00The place value is 200

Question 4

Decimal

Answer 4

The spot in a number where a period is place representing a fraction . (Example) 78.92. The 92 stands for 92 hundredths

Question 5

Period

Answer 5

A period is a group of three digits in a number chart

Question 6

Standard form

Answer 6

The way of writing a number in its normal form. (Example) 98,122

Question 7

Equivalent decimals

Answer 7

Decimals that have the same value