Vocab
Five nations joined together
Iroquois League or Iroquois Confederacy
the system by which a group makes, shares, and uses goods.
Economy
often had smaller bonds of American and they moved in small family units
Nomads
Compatible numbers
are numbers that are easy to compute mentally.
Example : 1 + ( 3+5 )= (1+3)+5
Associative Property of Addition
a system for making rules and decisions
Government
a trade good that is a raw material and not manufactured
Commodity
often included larger bonds of American Inidians . They had a more formal system of government, such as a council. A leader or chief often led a council.
Stationary groups
adjust one or both numbers to make the calculation easier. Then adjust the difference or sum to get the final answer.
Compensation
Example: 3+7= 7+3
Commutative Property of Addition
a decision making body that could be made up of a group’s single leader or a small group of leaders
Council
a system of trade routes that connected different areas.
Trading network
They had a smaller group controlled by a confederacy.
a-The Puebloan People
b-The Powhattans
c-The Five nations
d- Navajo
b-The Powhattans
Commutative Property of Addition
lets you add two decimals in any order.
Example : Add 15.3 +1.1 + 1.7 mentally
Mental Math
Bonus: solve the equation
a group whose members share the same goals.
League
__________ included land, resources, skills, food.
Economy
They had religious leaders led the governments.
a-The Puebloan People
b-The Powhattans
c-The Five nations
d- Navajo
a-The Puebloan People
lets you change the grouping of addends.
Associative Property of Addition
Estimate : 237.5 —-----> ?
345.1 —-----> ?
___________________
?
Example : 237.5 —-----> 200
345.1 —-----> 300
___________________
500
a group of whose members share the same goals and usually have a written or oral form of an alliance or agreement.
Confederacy
__________ were established to increase trade and gain goods.
Trade routes
They had a tribal council that ruled every band.
a-The Puebloan People
b-The Powhattans
c-The Five nations
d- Navajo
d- Navajo
Remember- __________ is to move. You are moving the order of the numbers.
commute
2 + (3 + 4) =
2 + (3 + 4) =
Bonus: What property is this equation?
2 + (3 + 4) =9
2 + (3 + 4) =9
Associative property of addition