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WHAT IS TEMPOTOETS?
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DO YOU HAVE A QUESTION?
Voor docenten
for teachers
How many sums can you make in 1, 2, 3, 4, 5 or 10 minutes?
keersommen
deelsommen
optelsommen
aftelsommen
sommen door elkaar
kwadraatsommen
Breuken
hoofdrekenen
hoogste scores
Did you know that
2.420.158
tests have already been made here ?

Also try how good you are at mental arithmetic! Hoofdrekenen op hoofdrekenen.eu

Arithmetic without time? Go to leren-rekenen.nl Leer gratis rekenen op leren-rekenen.nl

Here you learn arithmetic error-free for FREE

 

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This month is OPTELSOMMEN 10-20 in 1 minute 7 times made:
naamnumber correctnumber done
dexx21226 May
131611 May
131611 May
xlxlxlxlxllxlxlxlxll12127 May
12137 May
567 May
kregd4611 May
This month is OPTELSOMMEN 10-20 in 2 minutes 19 times made:
naamnumber correctnumber done
dexx48506 May
Lars394111 May
Derk35403 May
25267 May
21237 May
18216 May
12187 May
Arana Lahiri11293 May
11137 May
11147 May
Izaïn10122 May
10197 May
9107 May
Izaïn671 May
yoel557 May
4611 May
Izaïn342 May
Izaïn331 May
Izaïn221 May
This month is OPTELSOMMEN 10-20 in 3 minutes 19 times made:
naamnumber correctnumber done
dexx79806 May
noud72757 May
lano57697 May
Caspian48547 May
jari39447 May
pleun32357 May
vinz30337 May
tyler28327 May
Vallendesterre28297 May
26287 May
252711 May
Nadine(:24247 May
Yfke242710 May
Morris15177 May
14203 May
dex;):)13137 May
11127 May
tom6146 May
117 May
This month is OPTELSOMMEN 10-20 in 4 minutes 36 times made:
naamnumber correctnumber done
dexx91936 May
Derk86913 May
Lisa!!!!!!!!!!!!!!!!44477 May
Yfke404410 May
Annika van heugten323311 May
jaman262611 May
25257 May
222311 May
212311 May
massin boukich202011 May
202111 May
202211 May
noraine202111 May
67676767677676767767192017 May
192311 May
181911 May
182711 May
161811 May
151811 May
151711 May
141411 May
13138 May
121311 May
tom122211 May
Taahir wat is eigenl121211 May
111311 May
Adam el moussati8911 May
7711 May
sara❤️7711 May
Eleysa6711 May
hidaya5611 May
453 May
3411 May
3411 May
227 May
ksanet236 May
This month is OPTELSOMMEN 10-20 in 5 minutes 16 times made:
naamnumber correctnumber done
voorwaarts14715611 May
Nienke909811 May
jesse727911 May
707911 May
Angelina565711 May
suus555911 May
brayden545711 May
5310811 May
505211 May
495311 May
Jordyn465011 May
unicornlover123🦄414411 May
4010311 May
384611 May
353611 May
21254 May
This month is OPTELSOMMEN 10-20 in 10 minutes 3 times made:
naamnumber correctnumber done
dexx2522606 May
Dzhaino mercera25878 May
dat was NIET de hoog22281 May