Show:
Find the Sum
Identity Property
Commutative
Associative
Bonus
100
3 + 2 =
What is 5.
100
3 + 0 =
What is 3
100
2 + 1 =
What is1+2
100
(1 + 2 ) + 5 =
What is 8.
100
4 + 3 =
What is 7
200
10 + 2 =
What is 12
200
11 + 0=
What is 11
200
5 + 6 =
What is 6+5
200
(3 + 4 ) + 5 =
What is (3 + 4) + 5
200
25 + 0 =
What is25
300
16 + 10 =
What is 26
300
60 + 0 =
What is 60
300
7 + 5 =
What is 5 + 7
300
( 5 + 6) +2 = 5 + ( 6 + 2
What is 13
300
7 + 9 =9 +7
What is 16
400
20 + 40=
What is 60
400
178 + 0 =
What is 178
400
106+56=
What is 56 +106
400
(79+10)+5=(5+10)+79
What is 94
400
100+20
What is 120
500
1,000+30
What is 1,030
500
7,321 + 0 =
What is 7,321
500
100+500=
What is500+100
500
(200+200)+50=(50+200)+200
What is 450
500
1,520+0=
What is 1,520