NYSTCE Math (246) Exam Questions and Answers Fully Solved
place value - Answers The value of a digit based on its position within a number
100.001 - Answers hundreds, tens, ones, tenths, hundredths, thousandaths
scientific notation- decimal notation - Answers Positive exponent means you move decimal to the right
adding more zeroes
Negative exponent decimal moves to the left making number smaller
Dividing with decimals - Answers Move the point to the right to make the divisor a whole number. Move
the decimal the same amount of spaces to the right in the dividend
Multiplying Decimals - Answers 1. Multiple numbers as if whole numbers.
2. Then count total number of decimal places in the factors and add them (Ex: 2.2 and 2.33 has three
total decimal places)
3. Add the total number of Decimal places to product, counting left to right (Ex: 22*233 = 5126 --> 5.126
final answer)
prime number - Answers A whole number that has exactly two factors, 1 and itself.
composite number - Answers A number with more than two factors
Divisibility - Answers The ability for one number to be divided by another number without a remainder.
Factors - Answers Numbers that are multiplied together to get a product
LCM - Answers Least Common Multiple
GCF - Answers Greatest Common Factor
Adding and Subtracting Fractions - Answers The denomination has to be the same. If it is different find
the lowest common multiple of the denominators. 5/6 - 3/4 =5/6 x 2/2 - 3/4 x 3/3 = 10/12 - 9/12 = 1/12.
multiplying fractions - Answers To multiply fractions, multiply the numerators and multiply the
denominators
Dividing Fractions - Answers keep change flip.
Number classification - Answers REAL NUMBERS
A) Rational (fractions, repeating)
-Integers (-2, even square roots)
-Whole Numbers (0,1,2)
place value - Answers The value of a digit based on its position within a number
100.001 - Answers hundreds, tens, ones, tenths, hundredths, thousandaths
scientific notation- decimal notation - Answers Positive exponent means you move decimal to the right
adding more zeroes
Negative exponent decimal moves to the left making number smaller
Dividing with decimals - Answers Move the point to the right to make the divisor a whole number. Move
the decimal the same amount of spaces to the right in the dividend
Multiplying Decimals - Answers 1. Multiple numbers as if whole numbers.
2. Then count total number of decimal places in the factors and add them (Ex: 2.2 and 2.33 has three
total decimal places)
3. Add the total number of Decimal places to product, counting left to right (Ex: 22*233 = 5126 --> 5.126
final answer)
prime number - Answers A whole number that has exactly two factors, 1 and itself.
composite number - Answers A number with more than two factors
Divisibility - Answers The ability for one number to be divided by another number without a remainder.
Factors - Answers Numbers that are multiplied together to get a product
LCM - Answers Least Common Multiple
GCF - Answers Greatest Common Factor
Adding and Subtracting Fractions - Answers The denomination has to be the same. If it is different find
the lowest common multiple of the denominators. 5/6 - 3/4 =5/6 x 2/2 - 3/4 x 3/3 = 10/12 - 9/12 = 1/12.
multiplying fractions - Answers To multiply fractions, multiply the numerators and multiply the
denominators
Dividing Fractions - Answers keep change flip.
Number classification - Answers REAL NUMBERS
A) Rational (fractions, repeating)
-Integers (-2, even square roots)
-Whole Numbers (0,1,2)
