Simple Fraction Sums
Add and subtract fractions with the same denominator within one whole (e.g. 5/7 + 1/7 = 6/7)
Share and support
Teaching Table
Set out your lesson
“If a recipe calls for 2/8 of a cup of milk and then another 3/8 of a cup, can your child work out the total without a calculator?”
Full guide and materials
- Activity. Add and subtract fractions with the same denominator within one whole (e.g. 5/7 + 1/7 = 6/7)
What to notice. Calculate 2/5 + 2/5 = 4/5 • Calculate 6/8 − 3/8 = 3/8 • Explain that when denominators are the same, you add/subtract the numerators
Compare teaching approaches
Teaching approaches
Gakuva’s recommended starting approach is selected. You can still compare every option.
1 approach
If a recipe calls for 2/8 of a cup of milk and then another 3/8 of a cup, can your child work out the total without a calculator?
Add and subtract fractions with the same denominator within one whole (e.g. 5/7 + 1/7 = 6/7)
Family records and proof options
Keep a record of your learning
Save photos, notes, and attendance. Export a proof packet for compliance or portfolio reviews.
Learning resources
External links for extra practice. They do not replace Gakuva’s teaching approach.
No additional resources are listed for this topic.
The teaching approach appears above.
Check understanding
- Calculate 2/5 + 2/5 = 4/5
- Calculate 6/8 − 3/8 = 3/8
- Explain that when denominators are the same, you add/subtract the numerators
“If a recipe calls for 2/8 of a cup of milk and then another 3/8 of a cup, can your child work out the total without a calculator?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Fractions
- Age range
- Ages 7–8
Standards