Week 7 - Financial Mathematics Flashcards
1
Q
What is estimation?
A
A number that is an approximation
It involves: Reasoning Number sense More than a guess Tolerance of error
2
Q
What are the three types of estimation?
A
Measurement
Quantity- how many jelly beans in a jar?
Computational
3
Q
Rounding
A
Links to computational estimation
Links to place value
Rounding to the nearest**
4
Q
Rounding resources
A
Numeral expander
Numbers board - 100’s
5
Q
Issues when teaching money
A
Kids think size is related to value
6
Q
Teaching percentages
A
Connection with existing fraction concepts
Decimal fraction with denominator of 100
Shading resources - region and set model
7
Q
Strategy for rounding?
A
How many of the place to be rounded do we have
Round to that place or one larger
Determine which place is closer to the number
