Lessons 1-19

Question 1

Sequence

Answer 1

An ordered list of numbers

Question 2

Term

Answer 2

Each member in a sequence

Question 3

Digits

Answer 3

There are ten digits in our number system (0,1,2,3,4,5,6,7,8,9)

Question 4

Whole Numbers

Answer 4

These are the counting numbers and the number 0

Question 5

Even Numbers

Answer 5

Even numbers end with 0,2,4,6,8

Question 6

Odd Numbers

Answer 6

Odd numbers end with 1,3,5,7,9 2

Question 7

Comparison Signs

Answer 7

The most common signs are = (equal to), > (greater than), and < (less than)

Question 8

Addends

Answer 8

Numbers that are added together

Question 9

Sum

Answer 9

The answer to an addition problem

Question 10

Commutative Property of Addition

Answer 10

This property allows us to add numbers in any order we choose

Question 11

Identity Property of Addition

Answer 11

This property says that if zero is added to any number, the sum is the same as that number

Question 12

Algorithm

Answer 12

A procedures or process for getting an answer. We add, subtract 6 multiply, and divide numbers using algorithms.

Question 13

Place Value

Answer 13

The value of a digit depending upon its position in a number.

Question 14

Ordinal Numbers

Answer 14

Numbers that are used to name position. Ex: First second, third

Question 15

Difference

Answer 15

The answer we get when we subtract

Question 16

Inverse Operations

Answer 16

When one operation ‘undoes’ the other, they are inverse operations. Ed: addition-subtraction; multiplication-division

Question 17

Fact Family

Answer 17

A group of three numbers related by addition and subtraction or by multiplication and division

Question 18

Equation

Answer 18

A number sentence with an equal sign is called an equation.

Question 19

Geometry

Answer 19

The study of shapes

Question 20

Point

Answer 20

One of the simplest figures in geometry, a ‘dot’

Question 21

Line

Answer 21

One of the simplest figures in geometry. A line does not end.

Question 22

Line Segment

Answer 22

Part of a line, with two endpoints.

Question 23

Ray

Answer 23

Begins at one point and continues without end.

Question 24

Horizontal

Answer 24

A line that is level with the horizon; extends to the right and left

Question 25

Vertical

Answer 25

A line that extends up and down.

Question 26

Oblique

Answer 26

A line that appears to be slanted. It is neither horizontal or vertical.

Question 27

Number Line

Answer 27

A number line shows numbers a certain distance from zero.

Question 28

Negative numbers

Answer 28

Numbers to the left of zero on a number line.

Question 29

Integers

Answer 29

Integers include all of the counting numbers, the negatives of all the counting numbers, and the number zero.

Question 30

Tally Marks

Answer 30

Used to keep track of a count The tally mark for five is a diagonal mark crossing four vertical marks.

Question 31

Product

Answer 31

The result of multiplication

Question 32

Multiple

Answer 32

A product of a counting number and another number.

Question 33

Factors

Answer 33

Numbers that are multiplied together.

Question 34

Commutative Property of Multiplication

Answer 34

This property allows us to choose the order of factors when we multiply.

Question 35

Property of Zero for Multiplication

Answer 35

This property states that when we multiply by zero, the product is zero.

Question 36

Identity Property for Multiplication

Answer 36

This property states that one times a number equals that number.

Question 37

Division

Answer 37

An operation that separates a number into a given number of parts. Searching for the missing factor.