内容正文:
三年级数学上册【三位数混合运算】小纸条
第1天
姓名 班级 正确率
一 、 直接写出得数。
230 + 150 =
480 - 260 =
170 × 3 =
560 ÷ 7 =
320 + 180 =
540 - 310 =
240 × 2 =
630 ÷ 9 =
190 + 270 =
650 - 420 =
310 × 4 =
480 ÷ 6 =
280 + 350 =
720 - 530 =
160 × 5 =
540 ÷ 6 =
210 + 390 =
680 - 290 =
290 × 3 =
720 ÷ 8 =
2、 脱式计算。
320 + 150 × 2
560 - 240 ÷ 3
(280 + 140) × 2
720 ÷ (3 × 3)
180 × 4 - 350
630 ÷ 7 + 290
450 - (160 + 190)
(800 - 560) ÷ 4
三年级数学上册【三位数混合运算】小纸条
第2天
姓名 班级 正确率
一 、 口算题。
340 + 280 =
710 - 350 =
230 × 4 =
640 ÷ 8 =
260 + 370 =
820 - 460 =
350 × 2 =
570 ÷ 3 =
410 + 290 =
590 - 370 =
180 × 5 =
720 ÷ 6 =
380 + 250 =
670 - 280 =
260 × 3 =
810 ÷ 9 =
290 + 430 =
940 - 560 =
320 × 4 =
630 ÷ 7 =
二 、脱式计算。
250 + 180 × 3
720 - 360 ÷ 4
(320 + 180) × 3
840 ÷ (2 × 3)
230 × 3 - 480
540 ÷ 6 + 320
620 - (240 + 180)
(900 - 630) ÷ 3
三年级数学上册【三位数混合运算】小纸条
第3天
姓名 班级 正确率
一 、 口算题。
430 + 290 =
850 - 470 =
320 × 3 =
680 ÷ 4 =
360 + 450 =
730 - 280 =
270 × 4 =
810 ÷ 9 =
250 + 570 =
920 - 650 =
410 × 2 =
540 ÷ 6 =
390 + 340 =
680 - 390 =
190 × 5 =
720 ÷ 8 =
280 + 560 =
840 - 460 =
350 × 3 =
630 ÷ 7 =
二 、脱式计算。
310 + 220 × 4
840 - 480 ÷ 6
(290 + 350) × 2
960 ÷ (4 × 2)
270 × 4 - 650
630 ÷ 7 + 380
740 - (320 + 250)
(860 - 580) ÷ 4
三年级数学上册【三位数混合运算】小纸条
第4天
姓名 班级 正确率
一 、 口算题。
370 + 250 =
760 - 380 =
280 × 3 =
640 ÷ 8 =
420 + 390 =
830 - 540 =
360 × 2 =
720 ÷ 9 =
290 + 530 =
690 - 430 =
170 × 5 =
540 ÷ 6 =
350 + 470 =
920 - 670 =
240 × 4 =
630 ÷ 7 =
260 + 380 =
750 - 290 =
310 × 3 =
480 ÷ 6 =
二 、脱式计算。
290 + 170 × 3
680 - 360 ÷ 4
(340 + 260) × 3
840 ÷ (3 × 2)
220 × 4 - 570
540 ÷ 6 + 290
680 - (230 + 190)
(920 - 650) ÷ 3
三年级数学上册【三位数混合运算】小纸条
第5天
姓名 班级 正确率
一 、 口算题。
450 + 360 =
890 - 570 =
320 × 4 =
720 ÷ 8 =
380 + 470 =
940 - 680 =
250 × 3 =
630 ÷ 9 =
270 + 590 =
760 - 490 =
180 × 5 =
540 ÷ 6 =
340 + 580 =
830 - 560 =
290 × 3 =
480 ÷ 6 =
410 + 390 =
670 - 380 =
360 × 2 =
630 ÷ 7 =
二 、脱式计算。
350 + 230 × 3
760 - 480 ÷ 6
(310 + 290) × 2
960 ÷ (4 × 3)
280 × 4 - 730
630 ÷ 7 + 350
750 - (280 + 320)
(840 - 570) ÷ 3
三年级数学上册【三位数混合运算】小纸条
第6天
姓名 班级 正确率
一 、 口算题。
320 + 480 =
850 - 370 =
260 × 3 =
540 ÷ 6 =
470 + 350 =
920 - 580 =
340 × 2 =
720 ÷ 8 =
290 + 530 =
680 - 430 =
190 × 4 =
630 ÷ 9 =
360 + 490 =
750 - 280 =
270 × 5 =
480 ÷ 6 =
430 + 380 =
810 - 560 =
320 × 3 =
560 ÷ 7 =
二 、脱式计算。
280 + 190 × 3
640 - 320 ÷ 4
(350 + 250) × 3
840 ÷ (2 × 3)
230 × 4 - 650
540 ÷ 6 + 310
720 - (240 + 280)
(900 - 630) ÷ 3
三年级数学上册【三位数混合运算】小纸条
第7天 综合练习
姓名 班级 正确率
一 、 口算题。
390 + 450 =
870 - 590 =
310 × 3 =
630 ÷ 7 =
420 + 380 =
950 - 670 =
260 × 4 =
720 ÷ 8 =
280 + 560 =
740 - 480 =
170 × 5 =
540 ÷ 6 =
350 + 490 =
830 - 570 =
290 × 3 =
630 ÷ 9 =
460 + 370 =
780 - 490 =
340 × 2 =
480 ÷ 6 =
二 、脱式计算。
320 + 210 × 3
760 - 420 ÷ 6
(380 + 220) × 2
960 ÷ (4 × 2)
270 × 4 - 750
630 ÷ 7 + 380
810 - (320 + 290)
(850 - 580) ÷ 3
三、应用题。
1.学校要添置6套桌椅,每张桌子98元,每把子45元,一共要花多少钱?
2.实验小学开展“缅怀革命先烈,弘扬烈士精神”的活动,学校大队部组织三年级 125 名师生
去参观烈士陵园。
(1) 租4辆这样的大巴车够坐吗?
(2) 每辆大巴车的租金为512元,租车至少需要多少钱?
第1天答案
直接写出得数
230 + 150 = 380 480 - 260 = 220 170 × 3 = 510 560 ÷ 7 = 80
320 + 180 = 500 540 - 310 = 230 240 × 2 = 480 630 ÷ 9 = 70
190 + 270 = 460 650 - 420 = 230 310 × 4 = 1240 480 ÷ 6 = 80
280 + 350 = 630 720 - 530 = 190 160 × 5 = 800 540 ÷ 6 = 90
210 + 390 = 600 680 - 290 = 390 290 × 3 = 870 720 ÷ 8 = 90
脱式计算
320 + 150 × 2
= 320 + 300
= 620
560 - 240 ÷ 3
= 560 - 80
= 480
(280 + 140) × 2
= 420 × 2
= 840
720 ÷ (3 × 3)
= 720 ÷ 9
= 80
180 × 4 - 350
= 720 - 350
= 370
540 ÷ 6 + 290
= 90 + 290
= 380
450 - (160 + 190)
= 450 - 350
= 100
(800 - 560) ÷ 4
= 240 ÷ 4
= 60
第2天答案
直接写出得数
340 + 280 = 620 710 - 350 = 360 230 × 4 = 920 640 ÷ 8 = 80
260 + 370 = 630 820 - 460 = 360 350 × 2 = 700 570 ÷ 3 = 190
410 + 290 = 700 590 - 370 = 220 180 × 5 = 900 720 ÷ 6 = 120
380 + 250 = 630 670 - 280 = 390 260 × 3 = 780 810 ÷ 9 = 90
290 + 430 = 720 940 - 560 = 380 320 × 4 = 1280 630 ÷ 7 = 90
脱式计算
250 + 180 × 3
= 250 + 540
= 790
720 - 360 ÷ 4
= 720 - 90
= 630
(320 + 180) × 3
= 500 × 3
= 1500
840 ÷ (2 × 3)
= 840 ÷ 6
= 140
230 × 3 - 480
= 690 - 480
= 210
540 ÷ 6 + 320
= 90 + 320
= 410
620 - (240 + 180)
= 620 - 420
= 200
(900 - 630) ÷ 3
= 270 ÷ 3
= 90
第3天答案
直接写出得数
430 + 290 = 720 850 - 470 = 380 320 × 3 = 960 680 ÷ 4 = 170
360 + 450 = 810 730 - 280 = 450 270 × 4 = 1080 810 ÷ 9 = 90
250 + 570 = 820 920 - 650 = 270 410 × 2 = 820 540 ÷ 6 = 90
390 + 340 = 730 680 - 390 = 290 190 × 5 = 950 720 ÷ 8 = 90
280 + 560 = 840 840 - 460 = 380 350 × 3 = 1050 630 ÷ 7 = 90
脱式计算
310 + 220 × 4
= 310 + 880
= 1190
840 - 480 ÷ 6
= 840 - 80
= 760
(290 + 350) × 2
= 640 × 2
= 1280
960 ÷ (4 × 2)
= 960 ÷ 8
= 120
270 × 4 - 650
= 1080 - 650
= 430
630 ÷ 7 + 380
= 90 + 380
= 470
740 - (320 + 250)
= 740 - 570
= 170
(860 - 580) ÷ 4
= 280 ÷ 4
= 70
第4天答案
直接写出得数
370 + 250 = 620 760 - 380 = 380 280 × 3 = 840 640 ÷ 8 = 80
420 + 390 = 810 830 - 540 = 290 360 × 2 = 720 720 ÷ 9 = 80
290 + 530 = 820 690 - 430 = 260 170 × 5 = 850 540 ÷ 6 = 90
350 + 470 = 820 920 - 670 = 250 240 × 4 = 960 630 ÷ 7 = 90
260 + 380 = 640 750 - 290 = 460 310 × 3 = 930 480 ÷ 6 = 80
脱式计算
290 + 170 × 3
= 290 + 510
= 800
680 - 360 ÷ 4
= 680 - 90
= 590
(340 + 260) × 3
= 600 × 3
= 1800
840 ÷ (3 × 2)
= 840 ÷ 6
= 140
220 × 4 - 570
= 880 - 570
= 310
540 ÷ 6 + 290
= 90 + 290
= 380
680 - (230 + 190)
= 680 - 420
= 260
(920 - 650) ÷ 3
= 270 ÷ 3
= 90
第5天答案
直接写出得数
450 + 360 = 810 890 - 570 = 320 320 × 4 = 1280 720 ÷ 8 = 90
380 + 470 = 850 940 - 680 = 260 250 × 3 = 750 630 ÷ 9 = 70
270 + 590 = 860 760 - 490 = 270 180 × 5 = 900 540 ÷ 6 = 90
340 + 580 = 920 830 - 560 = 270 290 × 3 = 870 480 ÷ 6 = 80
410 + 390 = 800 670 - 380 = 290 360 × 2 = 720 630 ÷ 7 = 90
脱式计算
350 + 230 × 3
= 350 + 690
= 1040
760 - 480 ÷ 6
= 760 - 80
= 680
(310 + 290) × 2
= 600 × 2
= 1200
960 ÷ (4 × 3)
= 960 ÷ 12
= 80
280 × 4 - 730
= 1120 - 730
= 390
630 ÷ 7 + 350
= 90 + 350
= 440
750 - (280 + 320)
= 750 - 600
= 150
(840 - 570) ÷ 3
= 270 ÷ 3
= 90
第6天答案
直接写出得数
320 + 480 = 800 850 - 370 = 480 260 × 3 = 780 540 ÷ 6 = 90
470 + 350 = 820 920 - 580 = 340 340 × 2 = 680 720 ÷ 8 = 90
290 + 530 = 820 680 - 430 = 250 190 × 4 = 760 630 ÷ 9 = 70
360 + 490 = 850 750 - 280 = 470 270 × 5 = 1350 480 ÷ 6 = 80
430 + 370 = 800 810 - 560 = 250 320 × 3 = 960 560 ÷ 7 = 80
脱式计算
280 + 190 × 3
= 280 + 570
= 850
640 - 320 ÷ 4
= 640 - 80
= 560
(350 + 250) × 3
= 600 × 3
= 1800
840 ÷ (2 × 3)
= 840 ÷ 6
= 140
230 × 4 - 650
= 920 - 650
= 270
540 ÷ 6 + 310
= 90 + 310
= 400
720 - (240 + 280)
= 720 - 520
= 200
(900 - 630) ÷ 3
= 270 ÷ 3
= 90
第7天答案
直接写出得数
390 + 450 = 840 870 - 590 = 280 310 × 3 = 930 630 ÷ 7 = 90
420 + 380 = 800 950 - 670 = 280 260 × 4 = 1040 720 ÷ 8 = 90
280 + 560 = 840 740 - 480 = 260 170 × 5 = 850 540 ÷ 6 = 90
350 + 490 = 840 830 - 570 = 260 290 × 3 = 870 630 ÷ 9 = 70
460 + 370 = 830 780 - 490 = 290 340 × 2 = 680 480 ÷ 6 = 80
脱式计算
320 + 210 × 3
= 320 + 630
= 950
760 - 420 ÷ 6
= 760 - 70
= 690
(380 + 220) × 2
= 600 × 2
= 1200
960 ÷ (4 × 2)
= 960 ÷ 8
= 120
270 × 4 - 750
= 1080 - 750
= 330
630 ÷ 7 + 380
= 90 + 380
= 470
810 - (320 + 290)
= 810 - 610
= 200
(850 - 580) ÷ 3
= 270 ÷ 3
= 90
应用题
1. 98×6+45×6=858(元)
或(98+45)x6=858(元)
2.(1)32×4=128(人)
125<128 够坐。
解析:先求出4辆大巴车最多能坐多少人,再与 125 名比较即可。
(2)512×4=2048(元)
解析:每辆大巴车的租金为512元,租了4辆车,要求租车至少需要多少钱,就是求4个512元是多少,用乘法计算。
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