# Adding +4 to sums of 20

Flashcards by Bruce Akitt, updated more than 1 year ago
 Created by Bruce Akitt about 7 years ago
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### Description

Developing immediate recall of all addition families to 10 + 4. Also practicing a rapid mental process to add +4 to a 2 digit number making a sum less than 20.

## Resource summary

 Question Answer 1 + 4 = ___ 1 + 4 = _5_ 4 + 1 = ___ 4 + 1 = _5_ 1 + ___ = 5 1 + _4_ = 5 ___ + 4 = 5 _1_ + 4 = 5 2 + 4 = ___ 2 + 4 = _6_ 4 + 2 = ___ 4 + 2 = _6_ 2 + ___ = 6 2 + _4_ = 6 ___ + 4 = 6 _2_ + 4 = 6 3 + 4 = ___ 3 + 4 = _7_ 4 + 3 = ___ 4 + 3 = _7_ 3 + ___ = 7 3 + _4_ = 7 ___ + 4 = 7 _3_ + 4 = 7 4 + 4 = ___ 4 + 4 = _8_ ___ + 4 = 8 _4_ + 4 = 8 4 + ___ = 8 4 + _4_ = 8 5 + 4 = ___ 5 + 4 = _9_ 5 + ___ = 9 5 + _4_ = 9 6 + 4 = ___ 6 + 4 = _10_ 6 + ___ = 10 6 + _4_ = 10 7 + 4 = ___ 7 + 4 = _11_ 7 + ___ = 11 7 + _4_ = 11 8 + 4 = ___ 8 + 4 = _12_ 8 + ___ = 12 8 + _4_ = 12 9 + 4 = ___ 9 + 4 = 13 9 + ___ = 13 9 + _4_ = 13 10 + 4 = ___ 10 + 4 = _14_ 10 + ___ = 14 10 + _4_ = 14 11 + 4 = ___ 11 + 4 = 10 + 5 = _15_ 12 + 4 = ___ 12 + 4 = 10 + 6 = _16_ 13 + 4 = ___ 13 + 4 = 10 + 7 = _17_ 14 + 4 = ___ 14 + 4 = 10 + 8 = _18_ 15 + 4 = ___ 15 + 4 = 10 + 9 = _19_ 16 + 4 = ___ 16 + 4 = 10 + 10 = _20_

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