【小学4年算数】5-2 小数のたし算、ひき算｜問題集
1.次の計算をしなさい。
(1)\(1.95+3.24\)
\(5.19\)
(2)\(1.72+0.58\)
\(2.3\)
(3)\(3+6.19\)
\(9.19\)
(4)\(2.3+3.59\)
\(5.89\)
(5)\(0.66+82.26\)
\(82.92\)
(6)\(3.64+1.36\)
\(5\)
(7)\(7.23+8.79\)
\(16.02\)
(8)\(4.27+0.65\)
\(4.92\)
(9)\(4+8.18\)
\(12.18\)
(10)\(2.8+2.45\)
\(5.25\)
(11)\(15.82+0.47\)
\(16.29\)
(12)\(2.55+5.65\)
\(8.2\)
(13)\(0.68+1.33\)
\(2.01\)
(14)\(8.21+0.08\)
\(8.29\)
(15)\(7.14+3.4\)
\(10.54\)
(16)\(4.21+5.06\)
\(9.27\)
(17)\(0.89+0.11\)
\(1\)
(18)\(9.24+7.25\)
\(16.49\)
(19)\(0.74+1.22\)
\(1.96\)
(20)\(3.65+0.06\)
\(3.71\)
(21)\(5.24+3.1\)
\(8.34\)
(22)\(5.11+0.06\)
\(5.17\)
(23)\(0.77+0.11\)
\(0.88\)
(24)\(9.43+6.23\)
\(15.66\)
(25)\(3.32+3.53\)
\(6.85\)
(26)\(1.43+3.22\)
\(4.65\)
(27)\(2.14+8.95\)
\(11.09\)
(28)\(5.73+1.53\)
\(7.26\)
(29)\(8.56+8.44\)
\(17\)
(30)\(2.29+2.34\)
\(4.63\)
(31)\(2.045+8.06\)
\(10.105\)
(32)\(5.467+2.333\)
\(7.8\)
(33)\(8.046+1.054\)
\(9.1\)
(34)\(0.856+1.48\)
\(2.336\)
(35)\(2.917+7.083\)
\(10\)
(36)\(0.534+0.4\)
\(0.934\)
(37)\(2.675+1.335\)
\(4.01\)
(38)\(1.567+0.73\)
\(2.297\)
(39)\(5.491+0.2\)
\(5.691\)
(40)\(4.561+7.1\)
\(11.661\)
(41)\(1.482+2.218\)
\(3.7\)
(42)\(2.751+3.45\)
\(6.201\)
(43)\(4.247+2.6\)
\(6.847\)
(44)\(8.532+1.268\)
\(9.8\)
(45)\(5.186+5.24\)
\(10.426\)
(46)\(0.837+2.947\)
\(3.784\)
(47)\(0.637+4.59\)
\(5.227\)
(48)\(4.271+6.429\)
\(10.7\)
(49)\(4.583+6.7\)
\(11.283\)
(50)\(5.187+0.543\)
\(5.73\)
(51)\(7.16-1.35\)
\(5.81\)
(52)\(8.35-4.6\)
\(3.75\)
(53)\(7.56-2.26\)
\(5.3\)
(54)\(9-2.23\)
\(6.77\)
(55)\(6.24-3.48\)
\(2.76\)
(56)\(6.15-2.8\)
\(3.35\)
(57)\(4.27-1.37\)
\(2.9\)
(58)\(10-4.56\)
\(5.44\)
(59)\(7.67-4.8\)
\(2.87\)
(60)\(9.12-6.35\)
\(2.77\)
(61)\(0.47-0.23\)
\(0.24\)
(62)\(1.2-0.81\)
\(0.39\)
(63)\(2.65-0.57\)
\(2.08\)
(64)\(0.99-0.88\)
\(0.11\)
(65)\(9.11-5.46\)
\(3.65\)
(66)\(9.99-4.9\)
\(5.09\)
(67)\(6.75-5.55\)
\(1.2\)
(68)\(0.89-0.33\)
\(0.56\)
(69)\(3.4-0.34\)
\(3.06\)
(70)\(5.84-0.54\)
\(5.3\)
(71)\(0.76-0.66\)
\(0.1\)
(72)\(5.51-4.4\)
\(1.11\)
(73)\(5.55-3.5\)
\(2.05\)
(74)\(9.44-7.3\)
\(2.14\)
(75)\(3.34-2.22\)
\(1.12\)
(76)\(0.99-0.44\)
\(0.55\)
(77)\(3.77-0.66\)
\(3.11\)
(78)\(6.43-0.26\)
\(6.17\)
(79)\(0.88-0.69\)
\(0.19\)
(80)\(7.32-5.4\)
\(1.92\)
(81)\(2.8-0.567\)
\(2.233\)
(82)\(8.46-1.294\)
\(7.166\)
(83)\(2.6-0.821\)
\(1.779\)
(84)\(3.254-0.254\)
\(3\)
(85)\(6-4.052\)
\(1.948\)
(86)\(8.01-5.674\)
\(2.336\)
(87)\(9-2.567\)
\(6.433\)
(88)\(8.6-1.365\)
\(7.235\)
(89)\(4.261-1.561\)
\(2.7\)
(90)\(7-2.57\)
\(4.43\)
(91)\(5-2.637\)
\(2.363\)
(92)\(6-3.679\)
\(2.321\)
(93)\(2-0.378\)
\(1.622\)
(94)\(2.65-0.907\)
\(1.743\)
(95)\(1.06-0.934\)
\(0.126\)
(96)\(10.26-8.326\)
\(1.934\)
(97)\(5-2.654\)
\(2.346\)
(98)\(9-2.864\)
\(6.136\)
(99)\(12.23-4.265\)
\(7.965\)
(100)\(16.354-3.52\)
\(12.834\)
2.次の問いに答えなさい。
(1)1.5ℓのジュースがあり、0.4ℓ飲んだ。ジュースの残りを求めなさい。
\(1.5-0.4=1.1\)
【答】1.1ℓ
【答】1.1ℓ
(2)0.5kgのかごに、みかんを2.6kg入れて運びます。合計何kgの荷物になるか求めなさい。
\(0.5+2.6=3.1\)
【答】3.1kg
【答】3.1kg
(3)7.8kmのマラソンコースを走ります。スタートから4.9km走ったとき、残り何kmになるか求めなさい。
\(7.8-4.9=2.9\)
【答】2.9km
【答】2.9km
(4)0.8kgのかばんに、教科書を3.6kg入れて運びます。合計何kgの荷物になるか求めなさい。
\(0.8+3.6=4.4\)
【答】4.4kg
【答】4.4kg
次の学習に進もう！