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Addition- Finding the Unknown Number
Quiz by Lindsey Bowler
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
27 + _____= 48
61 + ____= 88
103 + _____ = 253
891 + _____= 1001
____+ 87=110
_____+ 55= 110
_____+ 531 = 766
____+ 645= 1444
______+ 2301 = 4200
_____= 34 + 29
_____= 604 + 707
20 + ___+ 200 = 228
32 + ___ + 350= 404
___+ 400 +660= 1120