NUMBER SENSE, CONCEPTS and OPERATIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Naming Numbers

Sentence about naming numbers...

Fractions
If little Johnny goes to the super market and buys half of a gallon of milk and buys it for a dollar and half then buys a candy bar car half a dollar, and a slushi for 2 dollars and fifity cents, how much did all of the food cost in fraction terms?

4 1/2 or four and one half

If half of the cyclone XIII roller coaster is being bulit how much do you have left to build before its finished in fraction terms?

1/2 or one half

Percents
If big Anne goes to the store and buys a jar a jelly for 50% of what a can of peanut butter costs and a can of peanut butter costs $3.00 how much did the jar of jelly cost?

$1.50 or one dollar and fifty cents

If 25% of the ferris wheel is built how much more has to be built until its finished in percent terms?

75% or seventy five percent

Decimals
If big Ben goes to Wal Mart and buys a watch for 25 dollars, then goes to K Mart and buys a watch for 14 dollars and 50 cents, what percent of the K Mart watch is less then the Wal Mart watch in decimal te•rms?

$14.5 or fourteen point five dollars

Exponents
If Big T goes to Germany and ends up spending one million dollars ($1,000,000) what is this in exponents?

$10ˆ5 or ten to the fifth power

Scientifac Notation
If a man in the dessert walked fifty-five thousand miles (55,000mi)what is this in Scientifac Notation?

5.5•10ˆ3 or five point five times ten to the third power

Radical
Say Alex bought nine dollars ($9) worth of stuff write nine dollars ($9) as a radical.
(V=to the radical symbol)
V9=3ˆ2 or the square root of nine is three squared

Ratio
Bob's car get's sixty miles to three gallons (60:3) write this as a unit rate.

20:1 or twenty miles to on gallon

 

 

 

 

 

 

 

 

 

 

 

Sunshine State Standards 6-8

Mathematics/Number Sense, Concepts and Operations

Standard 1: The student understands the different ways numbers are represented and used in the real world (MA.A.1.3).

Objective 1 : Associates verbal names, written word names, and standard numerals with integers, fractions, decimals; numbers expressed as percents; numbers with exponents; numbers in scientific notation; radicals; absolute value; and ratios.

Amusement Park Activity

Ask about-
ask the engineers at the amusment park how they use these things during their day.

 

Brainstorming Fun

Often or Not-
How often do you
use these during the day? Did
you expect the results?

Vocabulary

Decimal- a linear ray of inregers
that represents a fraction

Exponent- a number or symbol
that is placed at the top right
corner to show the denotion or
power of a number

Fraction- a piece of something
or fragment that represents a
decimal

Percent- per hundred

Radical- the square root of some
-thing

Ratio- relationship between two
similar things

Scientific Notation- a number
written as a decimal greater
than or equal to one and less
than ten, times a power of ten

 

Links


Learn about subtratction and
drills to help you.