Addition practice
Free online addition practice for kids: pick a set of facts, from within 5 to 2-digit numbers, and answer one at a time. No sign-up.
🧒 Kids: pick your facts, tap Start! 🚀 and answer each question. Get them all right for ⭐⭐⭐!
Ready-made practice rounds
One tap sets up the trainer. Each round takes about 5 minutes.
- Addition within 5 · kindergarten
- Addition within 10 · grade 1
- Pairs that make 10: 7 + ? = 10 · the most useful facts of all
- Doubles and near doubles · 6 + 6, then 6 + 7
- Bridging 10: 8 + 5, 9 + 7 · the hard facts of grade 1 and 2
- Mixed facts within 20, 6-second timer · end of grade 2 check
- Adding tens: 40 + 30, 10 + 7 · grade 1 and 2
- 2-digit numbers: 34 + 25 · grade 2 mental maths
Which facts for which grade?
| Grade | Facts | Timer | Goal |
|---|---|---|---|
| Kindergarten | Within 5 | No timer | Add within 5 quickly and correctly (K.OA.A.5) |
| Grade 1 (class 1) | Within 10, pairs that make 10, doubles | No timer, then 10 s | Fluent within 10, with strategies to 20 (1.OA.C.6) |
| Grade 2 (class 2) | Within 20, bridging 10, adding tens, 2-digit | 10 s, then 6 s | Every sum of two one-digit numbers from memory (2.OA.B.2) |
| Grade 3 and up | Mixed within 20 at speed, 2-digit numbers | 6 s, then 4 s | Quick facts for column addition, subtraction and multiplication |
How to use the addition trainer
- Pick the facts. “Within 10” suits most first graders. Use a ready-made round above if you are not sure.
- Choose a timer. Start with no timer. Add one only when your child gets most answers right.
- Answer each fact. Type the answer and press Enter, or use the number pad on a phone or tablet.
- Read the trick when a fact is missed. The same fact comes back a few questions later for a second try.
- Check the fact map. Green is quick, yellow is right but slow, red is missed. Press “Practice these” to go straight back to the red ones.
How fast is “fluent”?
A child knows an addition fact when the answer comes from memory in about 3 seconds, without counting. Counting on fingers still gets the right answer, but it is slow, and it uses up attention a child needs for bigger sums later, such as 48 + 37.
The trainer has three speeds. 10 seconds leaves time for a strategy. 6 seconds nudges your child to remember rather than count. 4 seconds is a fluency check. Accuracy comes first: 18 out of 20 with no timer is better than 12 out of 20 against the clock.
Ready to race? Try the 1-minute addition speed test.
When a fact won’t stick
Most children learn facts like 2 + 3 and 5 + 5 early. The facts that cross 10 take longest. Each one can be worked out from something your child already knows:
| Fact | Work it out from… |
|---|---|
| 8 + 5 = 13 | Make 10: 8 + 2 = 10, then 3 more |
| 9 + 7 = 16 | Add 10, take 1: 10 + 7 = 17, minus 1 |
| 6 + 7 = 13 | Near double: 6 + 6 = 12, plus 1 |
| 7 + 8 = 15 | Near double: 7 + 7 = 14, plus 1 |
| 8 + 6 = 14 | Double 7 (one up, one down): 7 + 7 |
| 9 + 4 = 13 | Make 10: 9 + 1 = 10, then 3 more |
| 5 + 8 = 13 | Turn it around: 8 + 5, then make 10 |
The turn-around rule halves the work: once your child knows 8 + 5, they also know 5 + 8. See addition facts strategies for a picture of each trick.
A 5-minute daily routine
- Minute 1: say the pairs that make 10 out loud: 1 and 9, 2 and 8, and so on.
- Minutes 2–4: one 20-question round on this week’s facts.
- Minute 5: look at the fact map together and practice anything red.
Move to the next set when a round is mostly green. Every Friday, do a mixed round of everything learned so far and print the result to see progress week by week.
For parents and teachers
- Share a round: set it up, press “Copy a link to these settings”, and send the link.
- Print results: after a round, type your child’s name and press “Print results” for a one-page record with the fact map.
- Projector friendly: big numbers and an on-screen number pad work well for a whole-class warm-up.
- Private by design: no account and no names stored online. Recent rounds stay in this browser only.
More addition practice
- Addition speed test: how many facts can you answer in 1 minute?
- Addition facts worksheet and number bonds worksheet, with answer keys.
- Addition chart: a printable chart for the desk.
- Number bonds and mental math for addition.
- Next steps: 2-digit addition worksheet · 3-digit addition · multi-digit addition
Back to addition for kids · 1st grade math · 2nd grade math
Last reviewed
Questions parents ask
How can my child practice addition online for free?
Use the trainer at the top of this page. Pick a set of facts, such as within 10, tap Start and answer one fact at a time. There is no sign-up, missed facts come back for a second try, and the results show which facts are quick, slow or still missing.
What are addition facts?
The sums of two one-digit numbers, from 0 + 0 to 9 + 9 (many schools include 10 + 10). Children learn them within 5 in kindergarten, within 10 in grade 1 and within 20 by the end of grade 2.
How fast should kids answer addition facts?
A fact is fluent when the answer comes from memory in about 3 seconds, without counting on fingers. The trainer marks answers under 3 seconds in green, so you can see which facts are remembered and which are still worked out.
Which addition facts should my child practice first?
Start with facts within 5, then within 10 and the pairs that make 10. Next come doubles and near doubles, then the teen facts like 8 + 5 that bridge 10. Adding tens and 2-digit numbers come in grade 2.
Is it OK if my child counts on fingers?
Yes, at first. Counting is how children learn what addition means. Once a fact is understood, the trainer’s tricks (make 10, doubles, count on from the bigger number) help move it from counting to remembering.
Can teachers use this addition practice in class?
Yes. Choose the facts and timer, press “Copy a link to these settings” and share the link. Every child who opens it gets the same kind of round, with no logins and no student data leaving the device.