Observing Number Patterns Practice Topic Index | Grade 3 Math | Elementary Test Prep | StudyZone
Look for repeated patterns using place value patterns. Use the repeated number patterns to help you add and subtract larger numbers.
Use the number patterns to solve these problems.
2 + 7 = ___
Click The answer is 9.
20 + ___ = 90
Click The answer is 70.
___ + 700 = 900
Click here The answer is 200.
5 + 3 = ___
Click here The answer is 8.
___ + 30 = 80
Click here The answer is 50.
500 + 300 = ___
Click here The answer is 800.
4 + 6 = ___
Click here The answer is 10.
40 + ___ = 100
Click here The answer is 60.
___ + 600 = 1000
Click here The answer is 400.
9 - 4 = ___
Click here The answer is 5.
90 - ___ = 50
Clidk here The answer is 40.
___ - 400 = 500
Click here The answer is 900.
8 - ___ = 6
Click here The answer is 2.
___ - 20 = 60
Click here The answer is 80.
800 - 200 = ___
Click here The answer is 600.
___ - 3 = 2
50 - ___ = 20
Click here The answer is 30.
500 - 300 = ___
Click on the apple to review the lesson.
Created by Cindy Murabito Updated by Pat Delia Copyright © 2001-06 Oswego City School District
