Multiply & Divide by Powers of 10 (opens in a new tab)
Build 1, choose Multiply by 10 and Calculate. Compare the digits and counters, then choose another starting number.
Open the tool (opens in a new tab)Year 5 · Place value · 0:47 · Short worked example
Connect 1 × 10 = 10 to ten ones, one exchanged ten and a digit with ten times the value.

The player connects to YouTube only when you choose to load it. YouTube may then process viewing data. Captions and playback speed are available in the player.
Use the same idea in a free tool or continue into the teaching lesson. Resources open in a new tab so you can keep your place in the video.
Build 1, choose Multiply by 10 and Calculate. Compare the digits and counters, then choose another starting number.
Open the tool (opens in a new tab)Start with two teams and maximum 1,000,000. Apply this explanation to ×10 clues in the mixed powers-of-ten game; reason backwards to the hidden number. Use Instructions for the game rules.
Open the game (opens in a new tab)Teach the concept step by step with the matching classroom lesson.
Open the lesson (opens in a new tab)