Chapter 1

plus (+) - added to

equals (=) - is the same as

sum - a number obtained as a result of adding numbers

zero (0) - a number that when added to another number leaves the original number unchanged

addition sentence - a number sentence where one number is added to another

Chapter 2

sum - a number obtained as a result of adding numbers

plus (+) - added to

equals (=) - is the same as

Chapter 3

minus (-) - a symbol used to denote subtraction

equals (=) - a symbol that denotes equality between two numbers or two parts of an equation

difference - the answer to a subtraction problem

subtraction sentence - a number sentence where one number is subtracted from another

zero (0) - a whole number that tells the number of objects in a set when none is present

Chapter 21

one half - one of two equal parts that make up a whole

one fourth - one of four equal parts that make up a whole

one third - one of three equal parts that make up a whole

Chapter 22

penny - a coin equal to one cent

nickel - a coin equal to five cents

dime - a coin equal to ten cents

a _____ is a brownish color and is equal to one cent.

a _____ is a silver color and is equal to five cents.

a _____ is small and silver and is equal to ten cents.

Chapter 23

trade - to exchange one thing for another

fewest - the least amount

quarter - a coin equal to 25 cents

half dollar - a coin equal to 50 cents

dollar - an amount of money that equals 100 cents

a _____ is a coin that equals 25 cents.

a _____ is a coin that equals 50 cents.

a _____ is an amount of money that equals 100 cents.

Chapter 24

o'clock - an expression used for designating the hour

minute hand - the longer hand on a clock that tells how many minutes have passed in an hour

hour hand - the shorter hand on a clock that tells what hour of the day it is

minute - a period of time equal to 60 seconds

hour - a period of time equal to 60 minutes

half-hour - a period of time equal to 30 minutes

The word _____ helps you tell someone what time it is.

The shorter hand on a clock is the _____.

The _____ on a clock tells how many minutes have passed.

One _____ is equal to 60n seconds.

There are 24 _____ in a day.

There are 30 minutes in a _____.

Chapter 25

month - one of the 12 parts that make up a year

morning - the part of the day that comes before noon

afternoon - the part of the day that comes after noon

evening - the part of the day after the sun goes down

chart - a drawing that shows information in the form of a table

Chapter 26

measure - using standard or non-standard units to describe length

longest - a distance that is greater than others

shortest - a distance that is less than others

inch - a unit of length equal to 1/12 of a foot

foot - a unit of measure equal to 12 inches

feet - plural of foot

centimeter - a metric unit of measure

You can use a ruler to _____ how long something is.

A paperclip is about one _____ long.

Chapter 27

balance - an instrument used for finding weight

pound - a unit of measure equal to 16 ounces

kilogram - a unit of measure equal to 1,000 grams or 2.2 pounds

gram - a unit of measure equal to one thousandandth of a kilogram

Chapter 28

cup - a unit of measure equal to 8 ounces

pint - a unit of measure equal to 2 cups

quart - a unit of measure equal to four cups or two pints

liter - a metric unit of measure that is a little more than a quart

temperature - the degree of heat in something

A _____ is equal to 8 ounces.

A _____ is equal to two cups.

A _____ is equal to four cups or two pints.

The word _____ means the degree of heat in something.

A _____ is the instrument used to measure temperature.

This metric unit is equal to a little more than a quart. (_____)

Chapter 29 (NO Vocabulary)

Word Bank: estimate, dollar, tens, ones, about, quarters, subtract

There are 2 _____ and 4 ones in 24.

There are 4 _____ in a dollar.

A _____ is equal to 4 quarters.

There are 10 _____ in a ten.

To _____ is to take away.

An _____ is an educated guess.

Your hand can hold _____ 5 crayons.

Chapter 30

certain - without a doubt, definitely

impossible - not capable of happening

more likely - more possible to happen

less likely - less possible to happen

equally likely - as possible to happen

This term means without a doubt. _____

The term means not capable of happening. _____

This phrase means more possible to happen. _____

This phrase means less possible to happen. _____

This phrase means as possible to happen. _____