ADDITION 



16 



ADDITION 



158=100+50+ 8 



+223=200+20+ 3 



381=300+70+11 



47= 40+ 7 



+69= 60+ 9 

 116=100+16 



Teacher points 

 to any number 

 and child gives 

 sum of it and all 

 numbers above it 

 or below it in the 

 column ; for ex- 

 ample, point to 2 

 in the column 

 and child pivrs 

 sum 17. The 

 numbers may be 

 simple at first, and be made more and more 

 difficult and square be made larger. Teacher 

 may vary her question; for example, ask the 

 sum of the number pointed to and the one 

 above it, also the two above it. 



Fill each space so that the horizontal row 

 will give the sum 20. Add horizontally and 

 vertically and see if sums for entire square 

 agree. 



.5 



"3 I4>- 15 



In the first circle give sum of centrr nuin- 

 ul each number on rimmu- 



>n, write the sum on line. In the sec- 

 <>MI| < : tin- number which added to 



thr number on < 

 ice; write it on li: 

 \'l<l horizontally and vertically: 



746+9237+4826= 



647+7239+6482= - 

 467+9327+8462= - 

 923+4679+7869= 



This i> and carries a te*t with it 



Games That Make for Interest and Quick 

 Response. 1. Dominoes painted on paper or 

 cardboard. Children "match" ends. Find all 

 that are alike. Find groups that make 7, 10, 

 8, and so on. 



VISIAI.I/I.NC ADDITION 



34-4=7 



2. Children throw ball or bean bag, trying 

 to hit inside circle; 10 points are given for 

 each successful throw at small circle, and 6 for 

 striking inside of large circle. Children take 

 sides, keep tally, and see which sid< 



The credit may vary, as 7 for small and 5 for 



riivl.-. 



3. Class may take sides for number card 

 game. Teacher holds up card such as those 



NUMBER CARDS 



illustrated each for an instant. Tin- 

 who answers correctly gets the card. T 

 that has the greater number of cards wins. 

 game may be played without 



