Math

Fractions

100

in the fraction 23/46 which number is the numberator? 

23

200

We call 2 fractions that have the same value an __________. 

Equivalent Fraction

300

We call a fraction that has the same whole number value for the numberator and denominator a_______________. 

Whole Fraction 

400

2 different fractions with same denominator is called a______________.

Like Fraction 

500

What is the "MATH RULE!" we must always remamber we also know this rule as the "Order of operations" 

We must Multiply then Divide BEFORE we add and subtract. 

Decimals

100

In the decimal number 123.455, which place value is the number 4 in? 

Tenths 

200

Any number to the left of the decimal is getting bigger and any number to the right of the decimal is getting smaller. 

True or False? 

False: Numbers to the right of the decimal are getting smaller. 

300

When we multiply multi-digit decimal numbers we are really just pretending they are not there. 

True or False? 

False: The decimal just gets shifted. 

400

What do we call the system that represents any whole number amount no matter how big or small? 

Base 10 Number System

500

When dividing decimals and both the divsor and divedend are both decimal numbers, what do we do with the decimal? 

We shift the divsor first to the right then we shift the dividend decimal the same amount. 

Place Values

100

In 236.456  what place value is the 3 in? 

Tens

200

In the number 34.0675, what place value is the 3 in? 

Tens 

300

In the number 5438.38090, what place value is the 8 in?

Tenths 

400

In the number 8 ,956,723 what place value is the 8 in?

millions

500

Each time we move to the left of the decimal, the numbers are multiplied by 10 or divided by 10? 

Multiplied 

Rounding

100

Round this number 268 to the tens place

270

200

If we keep the target number the same are we rounding up or down? 

Down

300

When we round a number it is not an estimated number. 

   True or False 

False! rounding is a CLOSEST ESTIMATE

400

round this number 199,999 to the nearst hundred thousand.

200,000

500

Round this decimal 345.456 to the nearest whole number 

345.000

Prime or Composite

100

Is 17 a prime Number? 

Yes 

200

How can we tell a number is prime? 

When it is divisible only by its self and 1. 

300

which number is composite 57 or 43 ?

57

400

69 is a prime number. 

True or False 

False 

500

If I want to find out if a number is composite or prime, what procedure could I use to figure it out? 

Divisibility test