Grade 1 · Math · Lesson 15

Addition and Subtraction in Real Life

Math happens all around us — at the store, in the park, at dinner. When you hear a real-life story with numbers, you need to choose the right operation!

What this lesson teaches

1Read a real-life story problem
2Decide whether to add or subtract
3Spot key words that signal addition or subtraction
4Write a number sentence that matches the story

Free · 7 days · No credit card

Unlock the full HSEA system for 7 days.

Create a kid profile, open any lesson, save progress — your family uses HSEA exactly the way a paying family does. Cancel anytime. Nothing to set up, no card required.

✓ All 1,680 lessons, Grades 1–6, every subject
✓ Profiles + saved progress for every kid
✓ Final exams + printable certificates

Start your 7-day free trial →

Already convinced? See full membership plans →