Addition
Combine the blocks. Trade 10 ones for 1 ten, and 10 tens for 1 hundred.
47 + 38
Step 1 of 6Start with 47 and 38. Both addends are shown as blocks.
Top row value: 0 + 40 + 7 = 47
Combine the blocks. Trade 10 ones for 1 ten, and 10 tens for 1 hundred.
Start with 47 and 38. Both addends are shown as blocks.