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🔟 Build a Number!
Stack tens, fives, and ones to make a number — then add another to it!
🪙 Coins:
0
Make
47
So far:
0
+10
+5
+1
Clear
ten
five
one
tap a block to remove it
47 + 28 = ?
You built
47
+
28
Build the answer:
47 + 28
= ?
So far:
0
+10
+5
+1
Clear
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