Subtraction
10-3=
7
6+3
9
If sarah has 12 apples and gives 4 away, how many does she have?
8
what is math
math
5+7=
12
7+3
10
ARI had 9 balls, but lost 2 at his friends house. How many doe she have now?
7
what is math
math
20-6=
14
10+4
14
Tim had 7 apples, but he gave 2 away to a friend yesterday and another 1 away today. How many does he have now?
4
what is math
math
what is math
math
18-6=
12
11+7
18
Kate ate 3 pies today, no pies yesterday, and she ate 2 pies the day before. How many total pies did she eat?
5
Goldbach Conjecture
4 = 2+2
6 = 3+3
8 = 3+5
10 = 3+7 = 5+5
12 = 7+5
100 = 3+97 = 11+89
what is math
math
Which gives you the same sum as 5+1=6
3+3=6
4+2=6
what is the sum of 5 and 9
14
What is the difference between 12 and 5?
7
what is math
math
what is math
math