39 terms

Long Division

The standard procedure for dividing 2 numbers.

Divide, Multiply, Subtract, Bring Down

Divide, Multiply, Subtract, Bring Down

Improper Fraction

A fraction where the numerator is greater than the denominator

Product

The answer to a multiplication problem

Expanded Form

A way to write numbers that shows the value of each digit

347 = 300 + 40 + 7

347 = 300 + 40 + 7

Tenths

The place value that is to the right of the ones place.

0.3

0.3

Rounding

Strategy to create a simpler number by looking at the place value to the right and deciding whether a numbers stays the same or gets larger by 1.

Place Value

The value of the place of a digit in a number

Thousandths

The place value to the right of the hundredths place in a decimal number

0.003

0.003

Standard Form

A number written normally with one digit for each place value

345,973

345,973

Quotient

The answer to a division problem

Whole Number

Counting numbers such as 0,1,2,3,4,5,6 etc. These numbers do not have decimal points, fractions, or negative signs.

Hundredths

In a decimal number, this place value is to the right of the tenths place.

0.02

0.02

Difference

The answer to a subtraction problem

Sum

The answer to a addition problem

Estimate

A number close to an exact amount that tells about how much

Dividend

The number that is going to be divided.

EX. in 24/3=8, 24 is going to be divided

EX. in 24/3=8, 24 is going to be divided

Divisor

The number that the dividend is being divided by

EX. in 24/3=8, 3 is the number that 24 is being divided by

EX. in 24/3=8, 3 is the number that 24 is being divided by

Area Model of Multiplication

A model that shows each place value product by using rectangles and expanded form

Decompose

To break down a number into smaller numbers

Factor

A number that divides evenly into another number

2X6 =12

3X4=12

2X6 =12

3X4=12

Parentheses

Used in the order of operations to show grouping. The operations within these are completed first:

(2+3)x4 ----> (2+3) is solved first, then multiplied by 4

(2+3)x4 ----> (2+3) is solved first, then multiplied by 4

Equivalent Fraction

Fractions that have the same value

1/2 = 3/6 = 4/8

1/2 = 3/6 = 4/8

Mixed Number

A number with a whole number AND fraction parts

3 and 2/7

3 and 2/7

Numerator

The top number in a fraction.

2/5 ---> 2 is the top number

2/5 ---> 2 is the top number

Order of Operations

The order of performing mathematical operations within a problem:

1. Parenthesis

2. Exponents

3. and 4. Multiplication and Division

5. and 6. Add and Subtract

1. Parenthesis

2. Exponents

3. and 4. Multiplication and Division

5. and 6. Add and Subtract

Denominator

The bottom number of a fraction that tells how many equal parts are in each whole.

3/4 ---> 4 is the bottom number

3/4 ---> 4 is the bottom number

Distributive Property

6x(10+4) = (6x10) + (6x4)

When multiplying by a sum, you can just multiply each number in the parenthesis by the outside number

When multiplying by a sum, you can just multiply each number in the parenthesis by the outside number

Exponent

The little number in the top right corner of another number that tells the number how many times to multiply by

Convert

to change from one form or unit to another (centimeters to meters, ounces to pounds)

Compare

Determine which number is larger or smaller, notice the similarities in shapes, numbers, or graphs

Contrast

Determine the differences between numbers, graphs, or shapes

Diagram

a drawing, plan, or chart that makes something clearer or easier to understand

Expression

A math sentence without an equal sign: 4 + 7

Line Plot

A graph that displays data as points above a number line using X or tally marks

Tape Diagram

Rectangle that helps model fractions and parts of a whole

Simplify

To reduce a fraction to its lowest terms by dividing by the lowest common factor for both numerator and denominator

Convert

to change the unit or form of measurement

Interpret

Give an explanation about, give meaning to

Communicate

To tell information or ideas to