Chap. 2

Question 1

Place Value

Answer 1

Key idea of how our number system works, namely, that the ‘place’ of a digit in other words, its position in the number is what determines its value.

(Hundreds, tens, units…I.e: 357 being three hundreds, five tens, and seven units)

Question 2

Ordinal

Answer 2

Property of the way the numbers follow on from each other in sequence.

(I.e: 1, 2, 3, etc)

Question 3

Number Line

Answer 3

Oh way of helping to form a mental picture of the sequence of numbers.

Question 4

Cardinal Property of Numbers

Answer 4

The idea of describing how many things there are.

(I.e: 4 tires on a car, 3 wheels on tricycle, 2 wheels on a bike, 1 wheel on a unicycle)