Arithmetic/Part I Review and Test

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Notes[edit]

Remember that:

Any time a number smaller than (LESS than) 0 is added to a number larger than (GREATER than) 0 you would use subtraction as shown below:

   5+(-3)=5-3, therefore 5+(-3)=2

Any number subtracted from itself always equals 0.

Any number above 9 will always have more than one digit.

The number line is very important in calculating numbers smaller than 0.



Part I Test[edit]


Part 1 of 3.

a) 2+2=
b) 2+4=
c) 5+3=


Part 2 of 3. Numbers greater than 9

a) 10+11=
b) 12+12=
c) 14+10=


Part 3 of 3. Numbers smaller than 0

a) -4-4=
b) -2+5=
c) 5-(-2)=


BONUS

4×5=


End of the test. Scroll down to check your answers.
















Answers[edit]

Part 1 of 3 answers:

a) 4     b) 6    c) 8

Part 2 of 3 answers:

a) 21    b) 24  c) 24

Part 3 of 3 answers:

a) -8     b) 3    c) 7


BONUS answer:

  20