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Grown-ups: keep this page to yourself until your child has had a go.

Kidorizon · Grades 1–2 · free printable · kidorizon.com

Number Hops · Answer Key

Check the answers together. If an answer is different from yours, talk about how each of you got there. Both ways of thinking are worth hearing.

Level 1: Warm-up

  1. 246810121416Rule: Add 2 each time.
  2. 10203040506070Rule: Add 10 each time.
  3. 510152025303540Rule: Add 5 each time.
  4. 12345678Rule: Add 1 each time.

Level 2: Stretch

  1. 20181614121086Rule: Subtract 2 each time.
  2. 302520151050Rule: Subtract 5 each time.
  3. 36912151821Rule: Add 3 each time.
  4. 10090807060504030Rule: Subtract 10 each time.

Level 3: Challenge

  1. 1248163264Rule: Double the number each time (multiply by 2).
  2. 125691013Rule: Add 1, then add 3, then repeat: +1, +3, +1, +3...
  3. 7142128354249Rule: Add 7 each time.
  4. 1247111622Rule: The jump grows each time: +1, +2, +3, +4, and so on.

Kidorizon practice sheets build thinking skills. They are not a test or assessment. More free activities at kidorizon.com/play