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Adding +7 to sums of 20

Description

Developing immediate recall of all addition families to 10 + 7. Also practicing a rapid mental process to add a 1 digit number ( 1 to 7) to a 2 digit number making a sum less than 20.
Bruce Akitt
Flashcards by Bruce Akitt, updated more than 1 year ago More Less
Bruce Akitt
Created by Bruce Akitt almost 12 years ago
Bruce Akitt
Copied by Bruce Akitt almost 12 years ago
Bruce Akitt
Copied by Bruce Akitt almost 12 years ago
Bruce Akitt
Copied by Bruce Akitt almost 12 years ago
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Resource summary

Question Answer
1 + 7 = ___ 1 + 7 = _8_
7 + 1 = ___ 7 + 1 = _8_
1 + ___ = 8 1 + _7_ = 8
___ + 7 = 8 _1_ + 7 = 8
2 + 7 = ___ 2 + 7 = _9_
7 + 2 = ___ 7 + 2 = _9_
2 + ___ = 9 2 + _7_ = 9
___ + 7 = 9 _2_ + 7 = 9
3 + 7 = ___ 3 + 7 = _10_
7 + 3 = ___ 7 + 3 = _10_
3 + ___ = 10 3 + _7_ = 10
___ + 7 = 10 _3_ + 7 = 10
4 + 7 = ___ 4 + 7 = _11_
7 + 4 = ___ 7 + 4 = _11_
___ + 7 = 11 _4_ + 7 = 11
7 + ___ = 11 7 + _4_ = 11
5 + 7 = ___ 5 + 7 = _12_
7 + 5 = ___ 7 + 5 = _12_
5 + ___ = 12 5 + _7_ = 12
___ + 7 = 12 _5_ + 7 = 12
6 + 7 = ___ 6 + 7 = _13_
7 + 6 = ___ 7 + 6 = _13_
6 + ___ = 13 6 + _7_ = 13
___ + 7 = 13 _6_ + 7 = 13
7 + 7 = ___ 7 + 7 = _14_
___ + 7 = 14 _7_ + 7 = 14
7 + ___ = 14 7 + _7_ = 14
8 + 7 = ___ 8 + 7 = _15_
8 + ___ = 15 8 + _7_ = 15
9 + 7 = ___ 9 + 7 = 16
9 + ___ = 16 9 + _7_ = 16
10 + 7 = ___ 10 + 7 = _17_
10 + ___ = 17 10 + _7_ = 17
11 + 7 = ___ 11 + 7 = 10 + 8 = _18_
11 + ___ = 18 11 + _7_ = 18
12 + 7 = ___ 12 + 7 = 10 + 9 = _19_
12 + ___ = 19 12 + _7_ = 19
13 + 7 = ___ 13 + 7 = 10 + 10 = _20_
`13 + ___ = 20 13 + _7_ = 20
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