Adding +3 to sums of 20

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

Practice of the addition facts of adding +3 to numbers from 1 10 10 . Also practice two step mental process to add +3 to two digit numbers to sums of 20.

Resource summary

Question Answer
1 + 3 = ___ 1 + 3 = _4_
3 + 1 = ___ 3 + 1 = _4_
___ + 3 = 4 _1_ + 3 = 4
1 + ___ = 4 1 + _3_ = 4
2 + 3 = ___ 2 + 3 = _5_
3 + 2 = ___ 3 + 2 = _5_
___ + 3 = 5 _2_ + 3 = 5
2 + ___ = 5 2 + _3_ = 5
3 + 3 = ___ 3 + 3 = _6_
___ + 3 = 6 _3_ + 3 = 6
3 + ___ = 6 3 + _3_ = 6
4 + 3 = ___ 4 + 3 = _7_
4 + ___ = 7 4 + _3_ = 7
5 + 3 = ___ 5 + 3 = _8_
5 + ___ = 8 5 + _3_ = 8
6 + 3 = ___ 6 + 3 = _9_
6 + ___ = 9 6 + _3_ = 9
7 + 3 = ___ 7 + 3 = _10_
7 + ___ = 10 7 + _3_ = 10
8 + 3 = ___ 8 + 3 = _11_
8 + ___ = 11 8 + _3_ = 11
9 + 3 = ___ 9 + 3 = _12_
9 + ___ = 12 9 + _3_ = 12
10 + 3 = ___ 10 + 3 = _13_
11 + 3 = ___ 11 + 3 = 10 + 4 =_14_
12 + 3 = ___ 12 + 3 = 10 + 5 = _15_
13 + 3 = ___ 13 + 3 = 10 + 6 = _16_
14 + 3 = ___ 14 + 3 = 10 + 7 = _17_
15 + 3 = ___ 15 + 3 = 10 + 8 = _18_
16 + 3 = ___ 16 + 3 = 10 + 9 = _19_
17 + 3 = ___ 17 + 3 = _20_
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