# Adding +3 to sums of 20

Flashcards by Bruce Akitt, updated more than 1 year ago
 Created by Bruce Akitt about 7 years ago
27
0

### 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_

### Similar

How to improve your SAT math score
The SAT Math test essentials list
GCSE Maths: Pythagoras theorem
Edexcel GCSE Maths Specification - Algebra
Mathematics
Projectiles
Graph Theory
Mathematics Overview
FREQUENCY TABLES: MODE, MEDIAN AND MEAN
Using GoConqr to study Maths
Using GoConqr to teach Maths