MATH 156

Addition and Subtraction Ch. 3-1

Remember to always work step by step,

5-3=8 and 8+3=5 are related

Predicting the next numbers in the sequence
2,4,6,8,_,_,_.
Explain how the sequence is by 2. and how its added.

Place Value 2.1

Patterns 1.2

Finding the pattern always with a simple equation!

Equivalent fractions and fractions in simplest form
--- 1/2 = 2/4 or 3/6 ---------------------- simples form
3/6= 1/2

find two numbers that are between the numbers given
3/5 --- ---- 4/5 to find multiply both numerator and denominator by the same number and that will be the same number.

0.2= 2/10 1/5= 0.20

scientific notation
3.456,000,000

3.456 x 10^9

Vocabulary

Addends

a number that is added to another.

Sum

the total amount resulting from the addition of two or more numbers, amounts, or items.

Product

a quantity obtained by multiplying quantities together, or from an analogous algebraic operation.

Quotient

a result obtained by dividing one quantity by another.

Inverse Operations

Functions

a relationship that assigns exactly one output value for each input value.

Algorithems

Multiplication

*Single digit number times two dijit number
*Multiplication with two digit factors
**Lattice Multiplication

Subtraction

Long division instructions (Does McDonald's Sell Cheese Burgers)
-Divide, Multiply, Subtract, Check, Bring Down.

Use Base ten Blocks!

Division by two digit Divisor
Always multiply your quotient times the divisor to get the dividend to check your answer!

Addi and subtract positive and negative numbers using

GCD & LCM
45,10
GCD- 45- 1,5,9,45
10- 1,2,5,10
LCM- 45-45,90,135
10-10,20,30,40,50,60,70,80,90.
LCM-s

PRIME - Can only be divided by 1 and itseld
Composite - Can be divided evenly into a number other than 1 and itself.

PRIME FACTORIZATION