Addition
What is 19+5?
24
What is 14-7?
7
What is 4+4?
If 5+5 = 10 then what is 5+4=?
9
What is 5x2?
10
What is 12+10?
22
What is 12-6?
6
What is 10+10?
If 6+6 = 12 then what is 6+5?
11
What is 0x60?
0
What is 100+10?
110
What is 18-9?
9
What is 9+9?
18
If 9+9 = 18 then what is 9+8?
17
What is 1x1,000?
If 10+6 = 16 then what does 9+6 equal?
15
If 10+10 = 20, then what is 20-10?
What is 30+30?
60
if 10+10=20, then what is 10+9?
19
What is 10x3?
Use the pretend a ten strategy to tell me what 9+7 is.
1. 10+7 = 17
2. 17-1=16
If 13-7 = 6 then what is 13-6?
What is 200+200?
400
If 200+200=400, what is 200+199?
399
What is 100x5?
500