Logic (Math)

Question 1

What is PEMDAS?

Answer 1

PEMDAS is the Order of Operations

Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Question 2

What are Counting / Natural numbers?

Answer 2

These are the numbers we use when counting:

{1, 2, 3, 4, 5, …}

Question 3

What are the Whole numbers?

Answer 3

Including 0 with the set of counting numbers forms the set of whole numbers:
{0, 1, 2, 3, 4, 5, …}

Question 4

What are the numbers being added called?

Answer 4

the addends

Question 5

In subtraction the ____ is taken from the minuend. The result is called the _____.

Answer 5

In subtraction the subtrahend is taken from the minuend. The result is called the difference.

Question 6

Numbers that are multiplied are called _____. The result of their multiplication is the _____.

Answer 6

Numbers that are multiplied are called factors. The result of their multiplication is the product.

Question 7

In the problems:

2 + 3 = 5 & 5 - 2 = 3

the numbers 2, 3 and 5 form an addition and subtraction ___ _____.

Answer 7

In the problems:

2 + 3 = 5 & 5 - 2 = 3

the numbers 2, 3 and 5 form an addition and subtraction fact family.

Question 8

Changing the order of addends in an addition problem does not change the sum. This is known as the ____ _____ __ ______.

Answer 8

Changing the order of addends does not change the sum. This is known as the commutative property of addition.

Question 9

The ______ _____ __ ______ states that when zero is added to a given number, the sum is equal to the given number.

Answer 9

The identity property of addition states that when zero is added to a given number, the sum is equal to the given number.

Question 10

Changing the order of the factors in a multiplication problem does not change the product. This is known as the _______ _____ ___ ________.

Answer 10

Changing the order of the factors in a multiplication problem does not change the product. This is known as the commutative property of multiplication.

Question 11

The ______ _____ of _________ states that when a given number is multiplied by 1, the result equals the given number.

Answer 11

The identity property of multiplication states that when a given number is multiplied by 1, the result equals the given number.

Question 12

The ________ ________ of ________ states that the grouping of addends does not change the sum in an addition problem.

Answer 12

The associative property of addition states that the grouping of addends does not change the sum in an addition problem.

(a + b) + c = a + (b + c)

Question 13

The ________ ________ of ________ states that the grouping of factors does not change the products in a multiplication problem.

Answer 13

The associative property of multiplication states that the grouping of factors does not change the product in a multiplication problem.

(a * b) c = a (b * c)

Question 14

What is an equation?

Answer 14

An equation is a statement that two quantities are equal.

3 + 4 = 5 + 2
or
5 + 6 = 9 + a

Question 15

What is the zero point on a number line called?

Answer 15

The zero point on a number line is called the origin.

Question 16

In our number system the value of a digit depends upon its position within a multi-digit number. The value of each position is its _____ ______.

Answer 16

In our number system the value of a digit depends upon its position within a multi-digit number. The value of each position is its place value.

Question 17

An angle formed by perpendicular rays is _____ _____

Answer 17

An angle formed by perpendicular rays is a right angle and it is commonly marked with a small square at the vertex.

Question 18

What is a vertex?

Answer 18

A vertex is where two rays share a common end point.

Question 19

What are angles larger in degrees than a 90 degree angle called?

Answer 19

Angles larger in degrees than a 90 degree angle are called obtuse angles.

Question 20

What are angles smaller in degrees than a 90 degree angle called?

Answer 20

Angles smaller in degrees than a 90 degree angle are called acute angles.