Lesson 1-2
The way a number is written with numerals.
What is standard form?
To approximate the value of a number by finding the nearest tens, hundreds, or other place value.
What is rounding?
The answer in a subtraction problem.
What is difference?
A character, such as a letter or question mark, that can be used to stand for an unknown.
What is a symbol?
A number with more than one factor pair.
What is a composite number?
A way to write numbers to show place value: example 300+20+4.
What is expanded form?
a close guess made using mathematical thinking.
What is estimation?
A set of routine steps used to solve a problem.
What is an algorithm?
The value you need to find to solve a problem.
What is an unknown?
A set of objects arranged in equal rows and columns.
What is an array?
A symbol used to write numbers: 0,1,2,3,4,5,6,7,8,9.
What are digits?
To carry or borrow from the tens, hundreds or other place value.
What is regrouping?
A number that can be multiplied by another number.
What is a factor?
To seperate into equal groups.
What is division?
An operation used to find the total number of items in a given number of groups.
What is multiplication?
To decide if a number is: greater than, less than, or equal to another.
What is compare?
The answer to an addition problem.
What is sum?
To repeatedly add the same number.
What is multiplication?
A number that has only one set of factor pairs.
What is a prime number?
A series of numbers or shapes that follows a rule to repeat or change.
What is a pattern?
a group of three places in a number, usually seperated by a comma.
What is a period?
A number being added.
What is an addend?
a math statment that uses an = sign and is written in a horizontal line.
What is an equation?
The product of a given number and any other whole number.
What is a multiple?
A procedure that is followed to go from one number or shape to the next in a pattern.
What is a rule?