Extra Math calculations
Authored by Kinga Borcsiczky
Mathematics
6th Grade
Used 7+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
(1+2+3+...+49+50)+(99+98+97+...+51+50)=?
What is the sum?
500
5000
5050
5100
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1+3+5+7+9+...+91+93+95+97+99=?
What is the sum?
2500
5000
5050
10000
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the last digit of the sum of 0+1+2+3+...+97+98?
Mi az utolsó számjegye a 0+1+2+3+...+97+98 összegnek?
9
5
1
0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
99-97+95-93+91-89+...+7-5+3-1=?
49
50
98
100
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1-2+3-4+5-6+...+99-100+101=?
1
50
51
100
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(11+11+11+11+11+11) -(9+9+9+9+9+9)=?
2
6
12
102
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(2006+2005+2004)-(2003+2002+2001)=2001-
2010
2004
1998
1992
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