Mystery category
What sign should you look for when you are adding
Plus sign (+)
What is 8+ 7
15
What is 6 - 6
0
What is 2 x 4
8
99 + 2
101
When you do not have enough ones in the ones column to subtract what should you do?
Borrow from the tens column
What is 300 + 400
700
What is 120 - 20
100
What is 6 X 7
42
7 X 7
49
When you multiplying and you carry a number to the another column what do you do with the number
Example: 45 x 5 , 5 x 5 = 25, you put the 5 in the ones column then you carry the 2 to the tens column. You then multiply 5 x 4 = 20, what do you do with the 2 that you carried to the 10's column
you would add it to the answer from 5 x 4 which = 20 then add 20 + 2 to make the answer 22
What is 25 + 15
35
What is 95 - 10
85
What is 8 X 3
24
What is 78 - 8
70
What is sign to look for when multiplying
the X sign
What is 100 + 90
190
What is 1000 - 100
900
What is 9 X 4
36
What is 30 X 2
60
When you have a number such as 23,750
What place does the 23 hold
What is 75 + 25
100
What is 650 - 25
625
What is 8 X 6
48
What 550 - 50
500