Додавання виду 430 + 50, 430 + 500
Зразок №1: 430 + 50 = 400 + (30 + 50) = 480
400 30
Зразок № 2: 430 + 500 = (400 + 500) + 30 = 930
400 30
1. Обчисли з усним поясненням.
260 + 20 =
200 60
340 + 50 =
300 40
520 + 40 =
500 20
260 + 200 =
200 60
340 + 500 =
300 40
520 + 400 =
500 20
2. Розклади числа за зразком . Розв’яжи.
350 + 30 = (300 + 50) + 30 = 300 + (50 + 30) = _______________________
350 + 300 = (300 + 50) + 300 = (300 + 300) + 50 = ____________________
570 + 20 = (500 + 70) + 20 = ______________________________________
570 + 200 = (500 + 70) + 200 = ____________________________________
430 + 50 = _____________________________________________________
430 + 500 =_____________________________________________________
260 + 40 = _____________________________________________________
260 + 400 =_____________________________________________________
3. Спробуй розв’язати самостійно.
270 + 400 =
320 + 50 =
740 + 200 =
820 + 60 =
530 + 300 =
530 + 30 =
450 + 50 =
450 + 500 =
260 + 30 =
260 + 300 =
730 + 60 =
190 + 600 =
330 + 400 =
330 + 40 =
620 + 70 =
270 + 600 =
820 + 60 =
460 + 30 =
220 + 500 =
470 + 300 =
4. Гра «Відшукай відповідь»
190 + 400
240 + 30
360 + 200
940 + 10
480 + 300
620 + 30
950
650
590
270
560
780
410 + 400
570 + 20
250 + 500
250 + 50
360 + 30
660 + 100
760
750
810
390
590
300
Веселі перегони!
340 + 500 =
760 + 30 =
410 + 200 =
530 + 30 =
450 + 50 =
450 + 500 =
260 + 30 =
260 + 300 =
410 + 400=
570 + 20=
250 + 500=
250 + 50 =
360 + 30=
660 + 100=
190 + 400 =
240 + 30 =
360 + 200 =
940 + 10 =
480 + 300=
620 + 30 =
570 + 400 =
230 + 60 =
250 + 20 =
760 + 200 =
540 + 100 =
370 + 300 =
280 + 200 =
520 + 400 =
650 + 40 =
420 + 300 =
540 + 30 =
320 + 500 =
580 + 200 =
730 + 40 =
370 + 20 =
540 = 400 =
Помилок
місце
640 + 40 =
370 + 300 =
260 + 20 =
530 + 50 =
440 + 500 =
580 + 200 =
250 + 50 =
350 + 500 =
370 + 300 =
280 + 200 =
520 + 400 =
650 + 40 =
420 + 300 =
540 + 30 =
320 + 500 =
840 + 100 =
320 + 70 =
220 + 700 =
560 + 300 =
360 + 500 =
460 + 30 =
710 + 200 =
530 + 30 =
260 + 400 =
940 + 30 =
430 + 40 =
380 + 100 =
650 + 20 =
650 + 200 =
730 + 60 =
370 + 600 =
180 + 700 =
610 + 80 =
340 + 40 =
560 + 20 =
770 + 200 =
Помилок
місце
750 + 40 =
640 + 100 =
230 + 60 =
360 + 300 =
820 + 70 =
720 + 200 =
410 + 400 =
410 + 80 =
270 + 10 =
580 + 300 =
730 + 40 =
460 + 30 =
350 + 200 =
350 + 20 =
670 + 20 =
170 + 800 =
370 + 300 =
510 + 80 =
340 + 500 =
720 + 20 =
430 + 300 =
660 + 100 =
210 + 80 =
540 + 300 =
940 + 30 =
130 + 60 =
240 + 400 =
240 + 40 =
480 + 500 =
840 + 50 =
410 + 80 =
150 + 800 =
960 + 30 =
280 + 300 =
540 + 40 =
360 + 400 =
Помилок
місце
230 + 300 =
520 + 400 =
520 + 40 =
360 + 30 =
420 + 70 =
420 + 400 =
710 + 100 =
710 + 80 =
290 + 300 =
360 + 20 =
650 + 40 =
230 + 60 =
710 + 100 =
520 + 400 =
370 + 500 =
650 + 40 =
560 + 400 =
830 + 100 =
380 + 500 =
260 + 20 =
620 + 200 =
950 + 40 =
590 + 200 =
760 + 30 =
670 + 300 =
240 + 10 =
240 + 100 =
750 + 30 =
340 + 40 =
470 + 100 =
450 + 50 =
870 + 20 =
130 + 60 =
470 + 400 =
520 + 60 =
230 + 600 =
Помилок
місце
460 + 400 =
580 + 200 =
840 + 30 =
350 + 300 =
270 + 200 =
460 + 30 =
340 + 50 =
330 + 300 =
290 + 500 =
510 + 80 =
720 + 20 =
640 + 40 =
370 + 300 =
260 + 20 =
720 + 200 =
370 + 300 =
430 + 60 =
820 + 60 =
930 + 40 =
250 + 400 =
540 + 50 =
630 + 200 =
460 + 20 =
190 + 700 =
320 + 600 =
320 + 60 =
250 + 500 =
620 + 300 =
630 + 60 =
540 + 40 =
540 + 400 =
260 + 600 =
380 + 200 =
430 + 300 =
730 + 40 =
470 + 200=
Помилок
місце
Робота над помилками
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Розфарбуй переможця!