Grade 2 · Math · Lesson 16

Play Math Fact Games

Math facts are the basic addition and subtraction equations you use every day. When you can recall them instantly — without counting — harder maths becomes much easier!

What this lesson teaches

1Recall addition and subtraction facts to 20 quickly
2Use fact families to link addition and subtraction
3Find the missing number in a fact using the inverse operation

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 →