Number Frame Friends helps students strengthen addition skills and develop number
sense by finding the missing number needed to make 5, 10, 20, or 100, and by
adding doubles and near doubles. Tap any
of the standards below to jump directly to an activity that practices that skill.
Kindergarten
Add numbers to 5.K.OA.5a
Break a number into pairs in multiple ways.K.OA.3
Find numbers that add to make 10.K.OA.4
Grade 1
Add numbers to 10.1.OA.6a
Find the missing number in an addition problem.1.OA.8
Understand subtraction as an unknown addition problem.1.OA.4
Use doubles and near doubles to add.
(6 + 7 is 6 + 6 + 1)1.OA.6b
Grade 2
Add numbers to 20.2.OA.2a
Know doubles and near doubles from memory.2.OA.2b
Add 2-digit numbers within 100.2.NBT.5a