Multiply & Divide by Powers of 10 (opens in a new tab)
Build 1, choose Multiply by 100 and Calculate. Explain the two factors of ten, then try a different starting number.
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© 2026 Maths ModelledYear 5 · Place value · 1:09 · Short worked example
Multiply by 100 using place value
Build 100 times the size of one through two successive factors of ten, connecting exchanges and digit value.
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Power Clue (opens in a new tab)
Start with two teams and maximum 1,000,000. Apply this explanation to ×100 clues in the mixed powers-of-ten game; reason backwards to the hidden number. Use Instructions for the game rules.
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