Unit 3: Multiplication, Division & Number Sense
Target 204.OA.B.4Ch 5: Target 3
I can determine whether a whole number is prime or composite.
Standard cap: 4 - Analyze or defend a prime/composite classification.
Subskills what students must be able to do
- 1I can find the factors of a number.
- 2I can use the number of factors to classify a number as prime or composite.
Proficiency Scale & ⚓️ Tasks
1 → 4 proficiency scale
1Beginning
“Find the factors of 12.”
2Developing
“Does 11 have exactly two factors or more than two?”
3Proficient
“Classify 37 and 39 as prime or composite and explain using factors.”
4Advanced
“A student claims every odd number is prime. Decide whether this is true and give mathematical evidence.”
Pre-Test
Check what students already know3Teach
Lessons and videos that introduce the skill5Engage NY Lesson (3)
Engage NY Lesson
Lesson 22 — Factor pairs for numbers to 100 to define prime and composite
Grade 4 · Module 3 · Topic F · Lesson 22
Engage NY
Engage NY Lesson
Lesson 23 — Use division and the associative property to test for factors and observe patterns
Grade 4 · Module 3 · Topic F · Lesson 23
Engage NY
Engage NY Lesson
Lesson 25 — Properties of prime and composite numbers to 100, using multiples
Grade 4 · Module 3 · Topic F · Lesson 25
Engage NY