Numberblocks Addition - Watch Numbers Add Up
Pick two Numberblocks, combine them, and see the sum. This free addition playground helps kids connect colorful blocks with real equations.
First Numberblock
Second Numberblock
What Is Numberblocks Addition?
Numberblocks addition turns adding into a visual action. Instead of only seeing 3 + 5 = 8 as symbols, children can see one group of three blocks and one group of five blocks become a bigger group of eight.
Use this page with the Numberblocks Number Bonds tool to practice parts and wholes, or open the Numberblocks 1 to 100 chart when your child wants to count on from the answer.
How to Use the Numberblocks Addition Tool
Pick Your First Number
Use the first slider to choose a Numberblock from 1 to 50.
Pick Your Second Number
Use the second slider to choose the Numberblock you want to add.
Watch Them Combine
Press Add Them to reveal the total and connect the blocks to the equation.
Try Quiz Mode
Switch to Quiz Mode and type the sum before checking the answer.
Addition Facts Table 1 to 10
| 1+1=2 | 1+2=3 | 1+3=4 | 1+4=5 | 1+5=6 | 1+6=7 | 1+7=8 | 1+8=9 | 1+9=10 | 1+10=11 |
| 2+1=3 | 2+2=4 | 2+3=5 | 2+4=6 | 2+5=7 | 2+6=8 | 2+7=9 | 2+8=10 | 2+9=11 | 2+10=12 |
| 3+1=4 | 3+2=5 | 3+3=6 | 3+4=7 | 3+5=8 | 3+6=9 | 3+7=10 | 3+8=11 | 3+9=12 | 3+10=13 |
| 4+1=5 | 4+2=6 | 4+3=7 | 4+4=8 | 4+5=9 | 4+6=10 | 4+7=11 | 4+8=12 | 4+9=13 | 4+10=14 |
| 5+1=6 | 5+2=7 | 5+3=8 | 5+4=9 | 5+5=10 | 5+6=11 | 5+7=12 | 5+8=13 | 5+9=14 | 5+10=15 |
| 6+1=7 | 6+2=8 | 6+3=9 | 6+4=10 | 6+5=11 | 6+6=12 | 6+7=13 | 6+8=14 | 6+9=15 | 6+10=16 |
| 7+1=8 | 7+2=9 | 7+3=10 | 7+4=11 | 7+5=12 | 7+6=13 | 7+7=14 | 7+8=15 | 7+9=16 | 7+10=17 |
| 8+1=9 | 8+2=10 | 8+3=11 | 8+4=12 | 8+5=13 | 8+6=14 | 8+7=15 | 8+8=16 | 8+9=17 | 8+10=18 |
| 9+1=10 | 9+2=11 | 9+3=12 | 9+4=13 | 9+5=14 | 9+6=15 | 9+7=16 | 9+8=17 | 9+9=18 | 9+10=19 |
| 10+1=11 | 10+2=12 | 10+3=13 | 10+4=14 | 10+5=15 | 10+6=16 | 10+7=17 | 10+8=18 | 10+9=19 | 10+10=20 |