WorksheetsExtra Math calculations
Total questions: 20
Worksheet time: 13mins
(1+2+3+...+49+50)+(99+98+97+...+51+50)=?
What is the sum?
500
5000
5050
5100
1+3+5+7+9+...+91+93+95+97+99=?
What is the sum?
2500
5000
5050
10000
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
99-97+95-93+91-89+...+7-5+3-1=?
49
50
98
100
1-2+3-4+5-6+...+99-100+101=?
1
50
51
100
(11+11+11+11+11+11) -(9+9+9+9+9+9)=?
2
6
12
102
(2006+2005+2004)-(2003+2002+2001)=2001-
2010
2004
1998
1992
Which sum will be even?
1+2+4+8+16
1+2+1+2+1
1+2+3+4+5
2+4+6+8+10
100x9+20x9+3x9= ? What is the last digit of the solution?
0
7
8
9
Which calculation is the largest?
Melyik a legnagyobb a négyből?
480:2
480:3
480:4
480:5
1x4x16=2x8x?
1
2
4
8
1x10x2x10x3x10=10x?
2x3
5x10
20x3
20x30
248x5=(124x2)x5=124x?
2
5
10
100
12x25=(3x4)x25=?
300
400
700
1200
34x11=34x(10+1)=34x10+34=?
340
344
370
374
35x9=35x(10-1)=35x10-35=?
350
335
325
315
(77 777+7):7=?
11 112
11 111
11 110
77 770
10+20+30+40=(1+2+3+4)x?
10
40
100
10 000
13x11+17x11=11x?
13
17
30
60
244x25=(61x4)x25=61x?
4
5
10
100
