Addition Strategies 1. Strategy: When one of the numbers is 1, 2, or 3, start with the bigger number and count on. See: 7+2=___ Think: 7…8, 9 See 3+9=___ Think: 9…10, 11, 12     Counting on 1, 2, 3 2. Turnarounds Strategy: In addition, turnarounds have the same answer. See: 9+2 Think: 2+9=11, so 9+2= 11   3. Zero Facts Strategy: When 0 is added to any number, the number stays the same. See: 6+0=___ Think: 6 See: 0+9=___ Think: 9   4. Doubles Strategy: When the numbers are the same, think of the picture. Image Credit: http://www.reallygoodstuff.com/ product/double+facts+poster.do   5. Doubles Plus 1 Strategy: When one number is 1 more than the other number, think of the doubles picture and add 1. See: 7+8=___ Think: 7+ 7= 14…15 See 4+5= ___ Think: 4+4=8…9   6. Strategy: When one of the numbers is 7, 8, or 9, make 10 and add the extras. See: 7+4= ___ Think: 7+3= 10 10+ 1= 11 See: 3+9 = ___ Think: 9+1=10 10+ 2= 12     Making 10 7. Almost Neighbours Strategy: When the numbers are two apart on a number line, go to the middle number and double it. See: 6 +8= ___ Think: Go to 7 and double. 7+7=14, so 6+8= 14