Praxis 7813 Exam Questions and Answers
1. integer Positive and Negative Whole Numbers and 0. Examples: .... -3, -2, -1, 0, 1, 2,
3 ... (Does not include fractions or decimals)
divisible by 1 without a remainder
2. whole number 0, 1, 2, 3, ...
**INCLUDES O**
3. natural numbers 1,2,3
*also known as counting numbers
4. rational numbers any number that can be expressed as a fraction
5. prime numbers a number which can only be divided by itself and 1
ex: 2, 3, 5, 7, 11, ...
6. composite numbers 3 or more factors
ex: 4, 6, 8, 9, 10, ...
7. composition of the ability to find the total, or sum, by combining two or more numbers -
numbers addition
8. decomposition of the ability to take one number away from another - subtraction
numbers
9. x = factor x factor = product
10. All integers are ... rational numbers
11. rational x rational = rational
12. prime numbers are positive
always ...
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, Praxis 7813 Exam Questions and Answers
13. 1/1 = 100% 1.0
14. 1/2 = 50% 0.5
15. 1/3 = 33% 0.33
16. 1/4 = 25% 0.25
17. 1/5 = 20% 0.2
18. 1/8 - 12.5% 0.125
19. 1/10 10% 0.1
20. refers to the value of place value
the digit based on its
position
21. commutative prop- a+b=b+a
erty
22. associative property you can change the grouping of addends 3+(7+29) =(3+7)+29
23. identity property adding 0, or multiplying by 1, does not change a number n+O=n
24. distributive proper- combines addition and subtraction
ty a(b+c) = axb+axc
25. degree means the exponent
same as
26. opposite angles are equal
...
27. polygons 2D closed shapes made up of straight lines
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1. integer Positive and Negative Whole Numbers and 0. Examples: .... -3, -2, -1, 0, 1, 2,
3 ... (Does not include fractions or decimals)
divisible by 1 without a remainder
2. whole number 0, 1, 2, 3, ...
**INCLUDES O**
3. natural numbers 1,2,3
*also known as counting numbers
4. rational numbers any number that can be expressed as a fraction
5. prime numbers a number which can only be divided by itself and 1
ex: 2, 3, 5, 7, 11, ...
6. composite numbers 3 or more factors
ex: 4, 6, 8, 9, 10, ...
7. composition of the ability to find the total, or sum, by combining two or more numbers -
numbers addition
8. decomposition of the ability to take one number away from another - subtraction
numbers
9. x = factor x factor = product
10. All integers are ... rational numbers
11. rational x rational = rational
12. prime numbers are positive
always ...
1/6
, Praxis 7813 Exam Questions and Answers
13. 1/1 = 100% 1.0
14. 1/2 = 50% 0.5
15. 1/3 = 33% 0.33
16. 1/4 = 25% 0.25
17. 1/5 = 20% 0.2
18. 1/8 - 12.5% 0.125
19. 1/10 10% 0.1
20. refers to the value of place value
the digit based on its
position
21. commutative prop- a+b=b+a
erty
22. associative property you can change the grouping of addends 3+(7+29) =(3+7)+29
23. identity property adding 0, or multiplying by 1, does not change a number n+O=n
24. distributive proper- combines addition and subtraction
ty a(b+c) = axb+axc
25. degree means the exponent
same as
26. opposite angles are equal
...
27. polygons 2D closed shapes made up of straight lines
2/6
