Multiplier des entiers, CM2
Prénom : ... Date : ...
1) Calcule 1) Calcule
273273 xx 2626
482482 xx 3535
568568 xx 4747
295295 xx 3838
756756 xx 5959
342342 xx 425425
456456 xx 867867
179179 xx 345345
671671 xx 284284
452452 xx 346346
548 548 xx 213213
869 869 xx 543543
256 256 xx 658658
817 817 xx 294294
532 532 xx 532532
2) Pose en colonnes et calcule 2) Pose en colonnes et calcule
678 x 134
678 x 134 387 x 328387 x 328 945 x 640945 x 640
526 x 237
526 x 237 245 x 529245 x 529 568 x 214568 x 214
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Multiplier des entiers, CM2
Prénom : ... Date : ...
Correction Correction
Exercice 1 Exercice 1
a) a) 22 7733 xx 22 66 11 663388 +
+ 55446600 77 009988
b) b) 44 8822 xx 33 55 22 441100 +
+ 1144446600 11 66887700
c) c) 55 6688 xx 44 77 33 997766 +
+ 2222772200 22 66669966
d) d) 22 9955 xx 33 88 22 336600 +
+ 88 885500 11 11221100
e) e) 77 5566 x
x 55 99 66 880044 ++3377880000 44 44660044
f) f) 33 4422 x
x 44 2255 11 771100 ++ 66 884400 ++113366880000 11 4455335500
g) g) 44 5566 x
x 88 6677 33 119922 ++ 22 77336600 ++336644880000 33 9955335522
h) h) 11 7799 x
x 33 4455 88 9955 ++ 77 116600 ++5533770000 66 11775555
i) i) 66 7711 xx 22 8844 22 668844 ++ 55 33668800 ++113344220000 11 9900556644
j) j) 44 5522 xx 33 4466 22 771122 ++ 11 88008800 ++113355660000 11 5566339922
k) k) 55 4488 xx 22 1133 11 664444 ++ 55 448800 ++110099660000 11 1166772244
l) l) 88 6699 xx 55 4433 22 660077 ++ 33 44776600 ++443344550000 44 7711886677
m) m) 22 5566 xx 66 5588 22 004488 +
+ 11 22880000 ++115533660000 11 6688444488
n) n) 88 1177 xx 22 9944 33 226688 +
+ 77 33553300 ++116633440000 22 4400119988
o) o) 55 3322 xx 55 3322 11 006644 +
+ 11 55996600 ++226666000000 22 8833002244 Exercice 2
Exercice 2
a) a) 66 7788 xx 11 3344 22 771122 ++2200334400 ++6677880000 99 00885522
b) b) 33 8877 xx 33 2288 33 009966 ++ 77 774400 ++111166110000 11 2266993366
c) c) 99 4455 xx 66 4400 00 ++ 33 77880000 ++556677000000 66 0044880000
d) d) 55 2266 xx 22 3377 33 668822 ++ 11 55778800 ++110055220000 11 2244666622
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Multiplier des entiers, CM2
Prénom : ... Date : ...
e) e) 22 4455 x
x 55 2299 22 220055 ++ 44 990000 ++112222550000 11 2299660055
f) f) 55 6688 x
x 22 1144 22 227722 ++ 55 668800 ++111133660000 11 2211555522
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