Recognize and build numbers using divisibility properties

Identify and order Roman numerals

Find common multiples

Find all factor pairs of whole numbers (area model)

Add Roman numerals

Find two numbers that add to 100 (Roman numerals)

Find two numbers that add to 20 (Roman numerals)

Identify and compare divisors and multiples

Skip count (number line)

Identify odd and even numbers

Use the greatest common divisor to find the least common multiple and vice-versa

Identify odd and even numbers

Explore the relationships between a number and its factors

Identify and distinguish between divisors and multiples

Complete and count factor pairs

Find and use prime factorizations to identify composite factors

Identify factors and find unknowns

Find divisors and multiples satisfying conditions

Solve word problems using Least Common Multiple or Greatest Common Divisor

Use prime factorization to calculate least common multiples

Find the greatest common divisor of two numbers

Identify common factors

Find and identify common multiples

Use factor pairs to find and count factors

Identify and count factors

Identify multiples of 2, 5, and 10

Use divisibility tests to identify multiples (2, 5, and 10)

Use prime factorization to calculate greatest common divisors

Find the least common multiple of two numbers

Identify prime and composite numbers

Use divisibility tests to identify multiples (4, 6, and 12)

Use divisibility tests to identify multiples (3 and 9)

Find and identify common factors

Identify prime and composite numbers

Identify prime and composite numbers