Grade 3 Think Up Unit 2

base ten place-value system

• a system for measuring time, such as hours, minutes, and seconds

• a value system is a numerical system used to represent numbers based on the powers of ten.

• A method for counting in multiples of five

• A way to represent fractions and decimals

compose

• to form a number or shape by putting parts together

• to simplify an equation

• to breakdown or break apart into smaller parts

• to solve a system of equations

decompose

• to form a number or shape by putting parts together

• to solve an equation

• system used to measure weight

• to break down or break apart into smaller parts

digit

• one of the symbols 0-9 used to write numbers

• a type of measurement tool

• a unit of time

• any number

expanded form

• a way to write numbers that shows the digits as sum of each digit multiplied by its place value

• a way to write a number that shows the value of each digit

• 357=(3x100)+(5x10)+(7x1)

• a mathematical combination of numbers, operations, and variables

expanded notation

• a way to write numbers that shows the digits as sum of each digit multiplied by its place value

• a way to write a number that shows the value of each digit

• 357 is 300+50+7

• a mathematical combination of numbers, operations, and variables

frequency

• the number of times an event happens

• a measurement of weight

• does not occur often

• a number multiplied by another number to find a product

value

• a penny

• how much I want something

• one of the 10 equal parts in a whole

• how much something is worth

hundred thousands

• the place value position to the right of the ten thousands

• a metric unit used to measure mass

• the place value position to the left of the ten thousands

• the place value to the left of the tens place

thousands

• the place value position to the right of the ten thousands

• a metric unit used to measure mass

• the place value position to the left of the ten thousands

• the place value to the left of the hundreds place