Math with Confidence 5 Memory Work (Blackline Master 1)

Sum

The result of adding two or more numbers (addends).

Difference

The result of subtracting one number (subtrahend) from another (minuend).

Product

The result of multiplying two or more numbers (factors).

Quotient

The result of dividing one number (dividend) by another number (divisor).

Remainder

The amount left over after division when one number does not divide another evenly.

Order of Operations

A set of rules for determining the order in which calculations are performed.

Multiples of 12

12, 24, 36, 48, 60...

Factors

Numbers that can be multiplied together to get another number.

LCM

Least common multiple; the smallest multiple that is exactly divisible by two or more numbers.

GCF

Greatest common factor; the largest factor that two or more numbers share.

Prime Number

A number that has exactly two factors: 1 and itself.

Prime numbers cannot be negative numbers, 0, or 1.

The prime numbers under 20 are: 2, 3, 5, 7, 11, 13, 17, 19.

Composite Numbers

Numbers that have more than two factors.

Divisibility Rule for 2

A number is divisible by 2 if it is even.

Divisibility Rule for 5

A number is divisible by 5 if it has 0 or 5 in the ones place.

Divisibility Rule for 10

A number is divisible by 10 if it has 0 in the ones place.

Divisibility Rule for 3

A number is divisible by 3 if the sum of its digits is divisible by 3.

Divisibility Rule for 4

A number is divisible by 4 if it has an even quotient when it is divided by 2.

Divisibility Rule for 6

A number is divisible by 6 if it is even and divisible by 3.

Rectangle

A quadrilateral with 4 right angles and two pairs of parallel sides.

Square

A quadrilateral with 4 right angles and 4 equal sides.

Rhombus

A quadrilateral with 4 equal sides.

A rhombus is a parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides

Trapezoid

A quadrilateral with at least one pair of parallel sides.

Right Triangle

A triangle with one right angle.

Multiplying by Zero

Any number multiplied by zero equals zero.

Dividing by Zero

Zero divided by any number equals zero.

0÷8=0

Any number divided by zero equals undefined.

8÷0=undefined

Factors of 12

1, 2, 3, 4, 6, 12

Expression

A mathematical sentence that does not contain an equals sign.

8x6

Equation

A mathematical sentence that contains an equals sign.

8x6=48

Parallelogram

A quadrilateral with two pairs of parallel sides

Quadrilaterals

four sided polygons (a flat shape with straight sides)

Angles

2 rays joined together at a vertex

Angles in Parallelograms

opposite (across from each other) or adjacent (next to each other)

Types of Triangles

right, obtuse, acute, equilateral, isosceles, scalene

​

1 foot = ____ inches

12 in

1 yard = ____ feet

3 ft

1 yard = _____ inches

36 in

1 mile = ____ feet

5,280 feet

1 pound = ____ ounces

16 oz

1 cup = ___ fluid oz

8 fluid oz

1 centimeter = ___ millimeters

10 mm

1 meter = ____ centimeters

100 cm

1 kilometer = ____ meters

1,000 m

1 kilogram = ____ grams

1000 g

1 liter = ____ milliliters

1000 mL

Mean (average)

The sum of the values divided by the number of values

Median

the middle value when the values are in order from least to greatest

Decimal Vocabulary

decimal digits

leading zeros

trailing zero

Coordinate Plane and Ordered Pairs

A coordinate plane is a grid formed by two perpendicular number lines (the x-axis and y-axis) that intersect at the origin (0,0).

Fractions

a number that expresses parts of a whole

Perimeter of a rectangle

P= 2L + 2w

Area of a rectangle

A=lw

Volume of a rectangular prism

V=lwh

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