Step 1 of 4 · Counting by 1s
+1 means each next number is just one bigger.
Step 2 of 4 · Counting by 10s
347, ?, ?, ?
+10 changes the tens digit. Ones stay the same.
347 → 357 → 367 → 377. Only tens move up.
Step 3 of 4 · Counting by 100s
158, ?, ?, ?
+100 changes the hundreds digit. Tens and ones stay.
158 → 258 → 358 → 458. Only hundreds move up.
Step 4 of 4 · Your turn
Pick the next number.
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Nice work!
You counted them all.