Math basics

Math basics - 6th grade

Mr. Lopez-Garcia

What is Math?

• The study of numbers

•  $\times$  

•  $\div$  

•  $-$  

•  $+$  

Addition

• To combine numbers to get a sum

•  $4+10$  

•  $20+14$  

•  $35+1$  

•  $6+6$  

Positive Numbers

• Numbers that do not go below zero

• 1

• 12

• 30

• 43

• 59

• continues up

Negative Numbers

• Numbers below zero

• -1

• -32

• -40

• -100

• -5

• -2

Subtraction

• Taking numbers away from the other

•  $3-2$  

•  $5-5$  

•  $60-25$  

•  $100-82$  

Multiplication

• Combining numbers to get a product

•  $1\times3$  

•  $5\times10$  

•  $6\times7$  

•  $100\times4$  

Fractions

• Part of a whole number

•  $\frac{1}{2}$  

•  $\frac{3}{4}$  

•  $\frac{1}{3}$  

•  $\frac{2}{8}$  

Division

• Dividing the quantity to get a quotient

•  $35\div5$  

•  $60\div10$  

•  $11\div1$  

•  $100\div2$   $10\div5$  

Rounding

• creating the whole number to the say or go u

• 1-4 after the decimal stay the same

• 5-9 after the decimal round up

• 3.1 - 3

• 7.7 - 8

• 8.4 - 8

• 9.5 - 10