Unit 4: Fractions & Decimals
Target 334.NF.B.3a–cCh 7: Addition Target
I can add fractions with like denominators.
Standard cap: 4 - Solve constrained or missing-value fraction-addition situations and justify completeness.
Subskills what students must be able to do
- 1I can model addition as joining parts of the same whole.
- 2I can add fractions with the same denominator.
- 3I can explain why the denominator stays the same.
Proficiency Scale & ⚓️ Tasks
1 → 4 proficiency scale
1Beginning
“Show 2/8 + 3/8 by shading or joining parts.”
2Developing
“Solve 2/8 + 3/8.”
3Proficient
“Solve 4/9 + 3/9 and explain why you add the numerators but not the denominators.”
4Advanced
“Two fractions with denominator 8 are both less than 1 and add to 1 1/4. Find all possible unordered pairs and prove you found them all.”
Teach
Lessons and videos that introduce the skill6Engage NY Lesson (3)
Engage NY Lesson
Lesson 16 — Add and subtract fractions: visual models
Grade 4 · Module 5 · Topic D · Lesson 16
Engage NY
Engage NY Lesson
Lesson 17 — Add and subtract fractions with same units
Grade 4 · Module 5 · Topic D · Lesson 17
Engage NY
Engage NY Lesson
Lesson 18 — Add and subtract more than two fractions
Grade 4 · Module 5 · Topic D · Lesson 18
Engage NY