Step 1 of 4 · Counting back by 10s
−10 means each next number is ten smaller.
Step 2 of 4 · Counting back by 100s
8,105, ?, ?, ?
−100 takes 1 away from the hundreds digit.
6025 → 6015 → 6005 → 5995. Tens drop; sometimes hundreds borrow.
Step 3 of 4 · Counting back by 1000s
5,281, ?, ?, ?
−1000 takes 1 away from the thousands digit.
8105 → 8005 → 7905 → 7805. Hundreds drop by 1 each time.
Step 4 of 4 · Your turn
Pick the next number.
🏆
Nice work!
You counted them all.