Answer:
Instrumental understanding – having a mathematical rule and being able to apply and manipulate it. Relational understanding – having a mathematical rule, knowing how to use it AND knowing why it works.
Step-by-step explanation:
Instrumental understanding involves “memorising which problems a method works for and which not, and also learning a different method for each new class of problems” (Skemp 1987, p. 159), is a desire to know “some kind of rule for getting the answer” (p. 155) so that a student can “latch on it and ignore the rest”
explanation:total=addition
area=base x height plus the width (area the amount beneath the surface).
equation:3cm both sides 3cm
answer: 3+3= 6cm .
Answer:
13
Step-by-step explanation:
We can use the slope formula to find the slope
m = ( y2-y1)/(x2-x1)
= ( -9-4)/(6-7)
= -13/-1
= 13
<u>Answer:</u>
both numbers are negative
negative number is greater than the positive number
<u>Step-by-step explanation:</u>
In order to add two rational numbers and get a negative value, one of two scenarios should occur:
<u>1- both numbers are negative.</u>
2- negative number is greater than the positive number
