UIL Number Sense Review

Square root of 2 is ? (3dec)

1.414

Square root of 3 is? (3dec)

1.732

Square root of 5 is? (3dec)

2.236

Square root of 6 is? (3dec)

2.449

Square root of 7 is? (3dec)

2.646

Square root of 8 is? (3dec)

2.828

Square root of 10 is? (3dec)

3.162

Square root of 11 is? (3dec)

3.317

Square root of 12 is? (3dec)

3.464

Square root of 13 is? (3dec)

3.606

Square root of 14 is? (3dec)

3.742

Square root of 15 is? (3dec)

3.873

What is D in Roman Numerals?

500

What is L in roman numerals?

50

How many feet in a mile?

5280

How many yards in a mile?

1760

How many ounces in a Pint?

16

How many pints in a quart?

2

How many quarts in a gallon?

4

What is a triangular number?

Nymbers that can be arranged into an equilatteral triangle.

How do you determine a triangular number

1+2+3+4….

What is a prime divisor

A prime that divides a number evenly.

LCM/GCM?

The multiple of two numbers that can multiply evenly with both.

GCD/LCD?

Divider that can divide evenly into both numbers.

What should you do with this symbol? ∩

Look for common numbers/letters

What is a geometric mean?

The square root of two number’s product.

What is a composite number?

A number with more than 2 positive factors.

Equation for radians?

pie/180

What is a factorial?

The number times all numbers before it.

What is the permutation formula?

n!/(n-r)!

When do you use the permutation formula used for?

The number of ways to arrange something.

What is 1/7 as a decimal?

0.143

What is 1/11 as a decimal?

.091

What is 1/13 as a decimal?

.077

What is 1/14 as a decimal?

.071

What is 1/15 as a decimal?

.066

What is Euler’s Formula?

Faces + Vertices - Edges=2

What is 1 mile an hour equal to? (Feet/Second)

22/15

What is 1 ft a min equal to? (Inches/Sec)

1/5

What is 1mph equal to? Inches/Seconds

88/5

1 inch is equal to how many centimeters?

2.54

1 tbsp. =?Oz

.5

1 tsp=?oz

1/6

1 gal=?oz³

231

1 pound=?oz

16

Formula for F→C

5/9(F-32)

Formula for C→F

F=9/5C+32

What formula is used for finding the number of diagonals within a polygon.

(n*(n-3))/2

Formula for finding the number of degrees for exterior angles?

360/n

Formula for finding the degrees of interior angles?

(180(n-2))/n

Formula for sum of interior angles?

180(n-2)

Pythagorean theorem (Acute)

A²+B²>C²

Pythagorean Theorem (Obtuse)

A²+B²<C²

What is sin(30)

1/2

What is sin (45)

sqrt(2)/2

What is sin (60)

sqrt(3)/2

What is sin (90)

1

What is csc [Sin-1] (30)

2

What is csc [Sin-1] (45)

sqrt(2)

What is csc [Sin-1] (60)

(sqrt(3)*2)/3

What is cos (30)

sqrt(3)/2

What is cos (45)

sqrt(2)/2

What is cos (60)

1/2

What is sec [cos-1] (30)

sqrt(3)/2

What is sec [cos-1] (45)

sqrt(2)

What is sec [cos-1] (60)

2

What is tan (30)

sqrt(3)/3

What is tan (45)

1

What is tan (60)

sqrt(3)

What is tan (90)

undefined

What is sec[cos-1](90)

Undefined

What is sec[cos-1](0)

1

What is cos 0

1

What is cos (90)

0

What is csc [sin-1] (0)

Undefined

What is csc [sin-1] (90)

1

What is tan (0)

0

What is cot [Tan-1] (0)

undefined

What is cot [Tan-1] (30)

sqrt(3)

What is cot [Tan-1] (45)

1

What is cot [Tan-1] (60)

sqrt(3)/3

What is cot [Tan-1] (90)

0

What does sin²+cos² equal?

1

what does 1 +cot² equal? (tan-1)

csc²

What does tan²+1 equal?

sec²