Mystery NumberGrade 1 · 1.OA.D.8, 1.OA.B.4
Score0

Grade 1 · Think & learn · Ages 6–7

Mystery Number

For grown-ups · the maths standard1.OA.D.81.OA.B.4Find the unknown number in an addition or subtraction equation, and see subtraction as an unknown-addend problem.

  1. Find the hiding number.
  2. Count the hops on the number line.
  3. For take away, think add!
Tap your answer. No timer — take your time!

Stars at 50 · 75 · 90

Choose another game