五、多位数乘一位数
★信息窗1-2
建议用时:6分钟
实际用时:分钟
60×9 =
40×6 =
50×7 =
100×8 =
200×5 =
300×3 =
600×6 =
200×7 =
300×4 =
200×3 =
30×5 =
50×9 =
400×2 =
500×8 =
70×3 =
500×6 =
80×9 =
10×5 =
40×2 =
60×3 =
100×3 =
40×4 =
800×3 =
500×7 =
600×2 =
500×4 =
40×6 =
60×8 =
80×2 =
400×2 =
200×3 =
100×5 =
800×9 =
500×6 =
700×5 =
300×6 =
200×5 =
300×3 =
700×3 =
800×4 =
500×3 =
8×700 =
200×2 =
700×4 =
60×6 =

60×9 = 540
40×6 = 240
50×7 = 350
100×8 = 800
200×5 = 1000
300×3 = 900
600×6 = 3600
200×7 = 1400
300×4 = 1200
200×3 = 600
30×5 = 150
50×9 = 450
400×2 = 800
500×8 = 4000
70×3 = 210
500×6 = 3000
80×9 = 720
10×5 = 50
40×2 = 80
60×3 = 180
100×3 = 300
40×4 = 160
800×3 = 2400
500×7 = 3500
600×2 = 1200
500×4 = 2000
40×6 = 240
60×8 = 480
80×2 = 160
400×2 = 800
200×3 = 600
100×5 = 500
800×9 = 7200
500×6 = 3000
700×5 = 3500
300×6 = 1800
200×5 = 1000
300×3 = 900
700×3 = 2100
800×4 = 3200
500×3 = 1500
8×700 = 5600
200×2 = 400
700×4 = 2800
60×6 = 360

拓展园地
用一个杯子向空瓶里倒果汁，若倒进3杯果汁，则连瓶共重220克；若倒进4杯果汁，则连瓶共重280克。一杯果汁（不含瓶）重多少克？一个空瓶重多少克？

一杯果汁重60克，空瓶重40克