# Arithmetic/Part I Review and Test

## Notes

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

Part 1 of 3.

1

 ${\displaystyle 2+2=}$

2

 ${\displaystyle 2+4=}$

3

 ${\displaystyle 5+3=}$
Part 2 of 3. Numbers greater than 9

4

 ${\displaystyle 10+11=}$

5

 ${\displaystyle 12+12=}$

6

 ${\displaystyle 14+10=}$
Part 3 of 3. Numbers smaller than 0

7

 ${\displaystyle -4-4=}$

8

 ${\displaystyle -2+5=}$

9

 ${\displaystyle 5-(-2)=}$
BONUS

10

 ${\displaystyle 4\times 5=}$