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Friendly Numbers

Find the two numbers that make ten, turn facts around, and break numbers apart so adding and multiplying get easier.

Adding & Subtracting Facts · Grades K–1 · 8 levels · Free

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8 levels

  1. Which two make ten?
  2. Make ten, then add
  3. Turn it around
  4. Four numbers, friendly pairs
  5. Turn-around times facts
  6. Break a factor apart
  7. Three factors, friendly first
  8. Friendly numbers, timed

What it practises

  • Adding Three Numbers
  • Adding Several Two-Digit Numbers
  • Properties of Operations

More Adding & Subtracting Facts lessons

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