How can we help?

You can also find more resources in our Help Center.

units

measurement involves two things:

To change from one unit to another

1 foot (ft)

comparing the quantity being measured to some standard... unit

1. A number (whole, fraction, or decimal)... 2. A unit

we can make substitutions, treating the names of the units as…

12 inches (in.)

units

comparing the quantity being measured to some standard... unit

measurement involves two things:

1. A number (whole, fraction, or decimal)... 2. A unit

units

measurement involves two things:

To change from one unit to another

1 foot (ft)

comparing the quantity being measured to some standard... unit

1. A number (whole, fraction, or decimal)... 2. A unit

we can make substitutions, treating the names of the units as…

12 inches (in.)

units

comparing the quantity being measured to some standard... unit

measurement involves two things:

1. A number (whole, fraction, or decimal)... 2. A unit

units

measurement involves two things:

To change from one unit to another

1 foot (ft)

comparing the quantity being measured to some standard... unit

1. A number (whole, fraction, or decimal)... 2. A unit

we can make substitutions, treating the names of the units as…

12 inches (in.)

units

comparing the quantity being measured to some standard... unit

measurement involves two things:

1. A number (whole, fraction, or decimal)... 2. A unit

units

measurement involves two things:

To change from one unit to another

kilometer

comparing the quantity being measured to some standard... unit

1. A number (whole, fraction, or decimal)... 2. A unit

we can make substitutions, treating the names of the units as…

(km)... 1000 meters

units

comparing the quantity being measured to some standard... unit

measurement involves two things:

1. A number (whole, fraction, or decimal)... 2. A unit

units

measurement involves two things:

To change from one unit to another

1 foot (ft)

comparing the quantity being measured to some standard... unit

1. A number (whole, fraction, or decimal)... 2. A unit

we can make substitutions, treating the names of the units as…

12 inches (in.)

units

comparing the quantity being measured to some standard... unit

measurement involves two things:

1. A number (whole, fraction, or decimal)... 2. A unit

units

measurement involves two things:

To change from one unit to another

1 foot (ft)

comparing the quantity being measured to some standard... unit

1. A number (whole, fraction, or decimal)... 2. A unit

we can make substitutions, treating the names of the units as…

12 inches (in.)

units

comparing the quantity being measured to some standard... unit

measurement involves two things:

1. A number (whole, fraction, or decimal)... 2. A unit

Giggly Meg's kitten decimates centiped…

Giga

Mega

kilo

Giga, Mega, kilo, deci, centi, milli, micro, nano, pico

G; 10^9 (billion)

M; 10^6 (million)

k; 10^3 (thousand)

Giggly Meg's kitten decimates centiped…

Giga, Mega, kilo, deci, centi, milli, micro, nano, pico

Giga

G; 10^9 (billion)

mile

foot (ft)

inch (in)

yard (yd)

A customary unit of length;... 1 mile=5,280 feet

A customary unit of length; ... 1 foot = 12 inches

A customary unit of length; 12 inches = 1 foot

A customary unit of measurement;... 1 yard = 3 feet/36 inches

mile

A customary unit of length;... 1 mile=5,280 feet

foot (ft)

A customary unit of length; ... 1 foot = 12 inches

measure

temperature

thermometer

degree

to find out how much there is of something

how much heat something has. How hot or cold something is.

a tool used to measure temperature

the unit the temperature is measured in.

measure

to find out how much there is of something

temperature

how much heat something has. How hot or cold something is.

Metric System

Length

Mass

Weight

a measurement system used by scientists based on the number 10

distance from one point to another. basic unit is the meter;…

measure of the amount of matter in an object. basic unit is t…

a measure of the force of gravity acting on an object. tool u…

Metric System

a measurement system used by scientists based on the number 10

Length

distance from one point to another. basic unit is the meter;…

Metric systems

Kilo

Hecto

Deca

International standard system of units of measurement.... The me…

k = thousands of base unit, multiplied by a thousand base uni…

h = hundreds of base unit, multiplied by a hundred base unit.…

dk = da = D =tens of base unit, multiplied by a ten base unit…

Metric systems

International standard system of units of measurement.... The me…

Kilo

k = thousands of base unit, multiplied by a thousand base uni…

algebra

multiplication

pro-numeral

square number

A mathematical phrase involving at least one variable and som…

An operation used for the shortening of repeated addition

A letter for a number we don't know yet.

A number that is the product of two of the same factors.

algebra

A mathematical phrase involving at least one variable and som…

multiplication

An operation used for the shortening of repeated addition

12-hour clock

24-hour clock

conversion factor

cubic centimetre

a system of measuring time in terms of a repeating period of…

a system of measuring time in terms of a repeating period of…

a multiplier for converting from one unit to another

volume of a cube of side 1 centimetre

12-hour clock

a system of measuring time in terms of a repeating period of…

24-hour clock

a system of measuring time in terms of a repeating period of…

metric system

International System of Units (SI)

mass

weight

A system of measurement based on the number 10.

A system of units used by scientists to measure the propertie…

A measure of how much matter is in an object.

A measure of the force of gravity acting on an object.

metric system

A system of measurement based on the number 10.

International System of Units (SI)

A system of units used by scientists to measure the propertie…

gram to milligram

milligram to gram

liter

meter

multiply X 1000... move decimal 3 places to the right

divide by 1000... move decimal 3 places to the left

metric system basic unit that measures volume (fluid)

metric system basic unit that measures length

gram to milligram

multiply X 1000... move decimal 3 places to the right

milligram to gram

divide by 1000... move decimal 3 places to the left

observation

precision

prefixes

quantitative observation

using the senses to gather information about the natural world

has to do with the consistency or reproductibility of a measu…

letters added to the beginning of a word to alter its meaning

observation that yields meaningful, numerical results

observation

using the senses to gather information about the natural world

precision

has to do with the consistency or reproductibility of a measu…

Conversion factor

Start your calculation with...

Base unit of volume

Base unit of mass

Relationship between two units. Put one on top and the other…

The number in the question that has the simplest units.

Litres (L)

Grams (g)

Conversion factor

Relationship between two units. Put one on top and the other…

Start your calculation with...

The number in the question that has the simplest units.

Absolute pressure

Acceleration

Area

Atmospheric pressure

Gauge pressure plus atmospheric pressure. At sea level, it wo…

The rate of change of velocity; the process by which a body a…

The amount of surface in a given plane or two-dimensional sha…

The pressure caused by the weight of the atmosphere. It is at…

Absolute pressure

Gauge pressure plus atmospheric pressure. At sea level, it wo…

Acceleration

The rate of change of velocity; the process by which a body a…

3

6.11

12.4

87.8

Convert 30 mm to cm (just give the number; not the units)

Convert 0.611 cm to mm (just give the number; not the units)

Convert 124 mm to cm (just give the number; not the units)

Convert 878 mm to cm (just give the number; not the units)

3

Convert 30 mm to cm (just give the number; not the units)

6.11

Convert 0.611 cm to mm (just give the number; not the units)

Area

Radius

Diameter

Pi

Length times width

A straight line from the center to the circumference of a cir…

A straight line passing from side to side through the center…

the numerical value of pi.... osmotic pressure.... mathematical pro…

Area

Length times width

Radius

A straight line from the center to the circumference of a cir…

Metric System

SI

Meter (M)

Mass

a measurement system based on the number 10

International System of Units -- system that allows scientist…

In SI, the basic unit for measuring length

A measure of the amount of matter in an object

Metric System

a measurement system based on the number 10

SI

International System of Units -- system that allows scientist…

Metric System

International System of Units (SI)

Mass

Weight

A standard measurement system based on the number 10

A system of measurement based on multiples of ten and on esta…

The basic SI unit for measuring mass is the kilogram (KG)

A measure of the force of gravity acting on an object

Metric System

A standard measurement system based on the number 10

International System of Units (SI)

A system of measurement based on multiples of ten and on esta…

scientific notation

significant figures

leading zeroes

multiplication

method of writing numbers that takes advantage of powers of t…

provide an indication of our certainty of measurement, determ…

any zeroes to the left of the first nonzero digit, not signif…

makes adjustments in opposite directions

scientific notation

method of writing numbers that takes advantage of powers of t…

significant figures

provide an indication of our certainty of measurement, determ…

Conversion factor

Start your calculation with...

Base unit of volume

Base unit of mass

Relationship between two units. Put one on top and the other…

The number in the question that has the simplest units.

Litres (L)

Grams (g)

Conversion factor

Relationship between two units. Put one on top and the other…

Start your calculation with...

The number in the question that has the simplest units.

centimeter

gram

kilogram

kilometer

a metric unit for measuring length. 100 centimeters = 1 meter

A metric unit used to measure mass.

A metric measurement of 1000 grams.

A metric unit of length equal to 1,000 meters.

centimeter

a metric unit for measuring length. 100 centimeters = 1 meter

gram

A metric unit used to measure mass.

metric system

SI

length

mass

a system of measurement based on the number 10

a version of the metric system used by scientists all over th…

the distance from one point to another

a measure of the amount of matter an object contains

metric system

a system of measurement based on the number 10

SI

a version of the metric system used by scientists all over th…

Conversion factor

Start your calculation with...

Base unit of volume

Base unit of mass

Relationship between two units. Put one on top and the other…

The number in the question that has the simplest units.

Litres (L)

Grams (g)

Conversion factor

Relationship between two units. Put one on top and the other…

Start your calculation with...

The number in the question that has the simplest units.

algorithm

analog clock

area

array

A step-by-step procedure for solving a problem.

a clock that uses hour and minute hands to show time

Area is the space inside a shape. Multiply L x W.

A orderly arrangement of objects in a rectangular shape.

algorithm

A step-by-step procedure for solving a problem.

analog clock

a clock that uses hour and minute hands to show time

Rounding for multipication

Rounding for division

When an exponent is negative the value…

Fractional exponents are equal to the

Round one number up and the other down

Rounding the numbers in the same direction

Inverse

Square root

Rounding for multipication

Round one number up and the other down

Rounding for division

Rounding the numbers in the same direction