Math 205 exam 1 Latest Update 2024-2025 Questions and 100% Verified Correct Answers Guaranteed A+
Abstraction - CORRRECT ANSWER: Ideas, pennies, thoughts can all be counted. We
can count numbers we cannot see.
Additive - CORRRECT ANSWER: Add them together to understand what the sum is. 32
is three tens and two more.
Cardinality - CORRRECT ANSWER: Biggest number counted is how much you have.
Compare Compare Quantity Unknown - CORRRECT ANSWER: Juan has 5 marbles.
Connie has 8 more than Juan. How many marbles does Connie have?
Compare Difference Unknown - CORRRECT ANSWER: Connie has 13 marbles. Juan
has 5 marbles. How many more marbles does Connie have than Juan?
Compare Referent Unknown - CORRRECT ANSWER: Connie has 13 marbles. She has
- more marbles than Juan. How many marbles does Juan have.
Compensating - CORRRECT ANSWER: Changing numbers to "easier" numbers.
Conceptual Subatizing - CORRRECT ANSWER: Pattern, we can glance and tell how
many
Direct Modeling - CORRRECT ANSWER: All sets physically represented
Grouping - CORRRECT ANSWER: Tally system. Count groups instead of individual
numbers
Incrementing - CORRRECT ANSWER: Adding or subtracting incrementally, by 10s or
1s.
Join Change Unknown - CORRRECT ANSWER: Connie has 5 marbles. How many
more marbles does she need to have 13 marble altogether?
Join Result Unknown - CORRRECT ANSWER: Connie had 5 marbles. Juan gave her 8
more marbles. How many marbles does Connie have altogether?
Join Start Unknown - CORRRECT ANSWER: Connie had some marbles. Juan gave
her 5 more marbles. Now she has 13 marbles. How many marbles did Connie have to start with?
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One-to-one - CORRRECT ANSWER: One object per number counted.
Order Irrelevance - CORRRECT ANSWER: Order doesn't matter, just don't repeat.
Part-Part Whole Part Unknown - CORRRECT ANSWER: Connie has 13 marbles. Five
are res and the rest are blue. How many blue marbles does Connie have?
Part-Part Whole Whole Unknown - CORRRECT ANSWER: Connie has 5 red marbles
and 8 blue marbles. How many marbles does Connie have altogether?
Perceptual Subatizing - CORRRECT ANSWER: Random order, we're able to recognize
about 4.
Place Holders - CORRRECT ANSWER: 0. 30 is thirty not 3 with a 0.
Place Value - CORRRECT ANSWER: Ones, tens, hundreds place. = positional
Positional - CORRRECT ANSWER: Values that a number has based on it's location.
Separate Change Unknown - CORRRECT ANSWER: Connie had 13 marbles. She
gave some to Juan. Now she has 5 marbles left. How many marbles did Connie give to Juan?
Separate Result Unknown - CORRRECT ANSWER: Connie had 13 marbles. She gave
- to Juan. How many marbles does Connie have left?
Separate Start Unknown - CORRRECT ANSWER: Connie had some marbles. She
have 5 to Juan. Now she has 8 marbles left. How many marbles did Connie have to start with?
Stable Order - CORRRECT ANSWER: Numbers in a sequence.
Subitizing - CORRRECT ANSWER: Recognizing certain numbers
Subtractive - CORRRECT ANSWER: Roman Numerals. IV is 4 and VI is 6. 32 is not 3-
- Our number system is not subtractive.
Tens and Ones - CORRRECT ANSWER: operating on 10s and 1s separately.
0/0 involving a square root - CORRRECT ANSWER: (A+B)(A-B)=A^2+B^2
chain rule - CORRRECT ANSWER: [f(g(x))]=f'(g(x))*g'(x)
concave down - CORRRECT ANSWER: f"(x)<0
concave up - CORRRECT ANSWER: f"(x)>0
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