Number Theory (Fractions)

Essential Skill

Prime Numbers and Divisibility Rules

3 - can use the rules to determine divisibility

4 - can explain why the rule works

Practice

Divisibility rules

Prime Factorization

3- can prime factor numbers

4 - can tell other factors of a number based on the factorization

Practice

prime factorization

GCF

3 - find the GCF of numbers with a list

4- find GCF with prime factorization

Practice

GCF - basic

LCM

3 - find the LCM of numbers with a list

4- find LCM with prime factorization

Practice

LCM basics

Equivalent Fractions

3 - find equivalents with familiar fractions

4 - find equivalent fractions with more difficult denominators

practice

Simplify

Great game to practice:

triplets

Comparing Fractions

3 - compare fractions with denominators less than 12

4 - compare fractions with denominators greater than 12

Practice

Comparing

Fractions & Decimals

3: Convert fractions with denominators that go into 100 to decimals.

4: Convert any from any fraction or decimal to the other

Practice

Fractions to decimals

Repeating and Termination Decimals