PECT Mathematics for Early Childhood 2 — Questions and Answers
Question 1: Number sense in early childhood includes all of the following EXCEPT:
- Understanding magnitude (which is more)
- Counting forward and backward
- Recognizing numerals
- Memorizing multiplication tables (Correct answer)
Correct answer: Memorizing multiplication tables
Multiplication tables are a grade 3 skill; number sense in PreK-4 focuses on counting, comparing quantities, and numeral recognition.
Question 2: A teacher uses a balance scale to compare which weighs more. This activity introduces:
- Geometry concepts
- Measurement and comparison skills (Correct answer)
- Graphing data
- Probability
Correct answer: Measurement and comparison skills
Using a balance scale builds measurement vocabulary (heavier, lighter, equal) and the concept of comparison—a foundational measurement skill.
Question 3: Which activity develops ordinal number understanding?
- Counting a set of 10 blocks
- Describing who is first, second, and third in line (Correct answer)
- Adding two groups of objects together
- Sorting shapes by color
Correct answer: Describing who is first, second, and third in line
Ordinal numbers (first, second, third) describe position in a sequence, and real-life line-up activities provide meaningful context.
Question 4: Decomposing numbers in early childhood means:
- Breaking a number into two or more parts that sum to the original (Correct answer)
- Arranging numbers from smallest to largest
- Skip counting by twos
- Reading numbers from right to left
Correct answer: Breaking a number into two or more parts that sum to the original
Decomposing numbers (e.g., 5 = 3 + 2) builds part-whole understanding that underpins addition and subtraction.
Question 5: Which graphing activity is most developmentally appropriate for PreK?
- Creating a bar graph on graph paper with a ruler
- Using real objects to create a concrete graph on the floor (Correct answer)
- Interpreting a pie chart with percentages
- Plotting points on a coordinate grid
Correct answer: Using real objects to create a concrete graph on the floor
Concrete (real-object) graphs are the most developmentally appropriate introduction to data representation for young children.
Question 6: The concept of 'more than' and 'less than' is foundational to:
- Geometry
- Number comparison and early algebraic thinking (Correct answer)
- Calendar skills
- Fine motor development
Correct answer: Number comparison and early algebraic thinking
Comparing quantities using 'more than' and 'less than' develops number sense and lays groundwork for inequality concepts in later math.
PECT Mathematics for Early Childhood 2
Number sense in early childhood includes all of the following EXCEPT: