Understanding number sequence Extra Challenge Numbers Worksheets for Ages 3-7

Check out this FREE Trial Lesson on Numbers for age 3-7!

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With answer key
Interactive
  • 3-7
  • Interactive
  • Understanding number sequence
  • Numbers
  • Extra Challenge
Open the Safe Worksheet
Open the Safe Worksheet

Open the Safe Worksheet

Send your child on a secret mission! Help them open the safe by giving them the code numbers to convert into standard form (e.g. 700 + 50 + 2 = 752). Get them to circle the correct answer for each safe and see all that math knowledge pay off!
Open the Safe Worksheet
Worksheet