Вставь пропущенные числа.
Реши, как показано в образце.
Образец: 200 +100 = 2 сот. +1 сот. = 3 сот.
1000 – 100 = _______________________________
900 – 100 = ________________________________
900 +100 = _________________________________
400 +400 = _________________________________
500 +400 = _________________________________
800 – 200 = ________________________________
1000 – 800 = _______________________________
700 – 200 = ________________________________
700 +100 = _________________________________
300 +200 = _________________________________
400 – 100 = ________________________________
600 +300 = _________________________________
1000 – 500 = ______________________________
700 – 200 = ________________________________
600 – 100 = _______________________________
900 – 300 = ________________________________
200 +700 = _________________________________
500 +200 = _________________________________
900 – 100 = ________________________________
300 +300 = _________________________________
100 +200 = _________________________________
100 +300 = _________________________________
100 +400 = _________________________________
100 +500 = _________________________________
100 +600 = _________________________________
100 +700 =__________________________________
100 +800 = _________________________________
100 +900 = __________________________________
900 – 200 = _________________________________
800 – 200 = _________________________________
700 – 200 = __________________________________
600 – 200 = __________________________________
500 – 200 = __________________________________
300 – 200 = __________________________________
карандашом. Запиши числа в порядке возрастания.
200, 56, 62, 890, 99, 800, 231, 500, 3, 18, 990
____________________________________________________________________
Вычисли. Выполни проверку.
Пример: 78 – 76 = _________
Проверка: ________ +76 = 78
72 – 57 = ____________________
_______________________________
100 – 45 = ___________________
_______________________________
25 +18 = _____________________
_______________________________
74 +18 = _____________________
_______________________________
78 +22 = _____________________
_______________________________
12 +61 = _____________________
_______________________________
62 – 38 = ____________________
_______________________________
88 – 67 = ____________________
_______________________________
53 – 42 = ____________________
_______________________________
73 – 12 = ____________________
_______________________________
31 +15 = _____________________
______________________________
14 +42 = ____________________
______________________________
51 +15 = ____________________
______________________________
80 – 20 = ___________________
______________________________
13 – 10 = ___________________
______________________________
14 – 2 = _____________________
______________________________
75 +5 = ______________________
______________________________
23 +7 = ______________________
______________________________
81 – 30 = ___________________
______________________________
15 +5 = _____________________
______________________________
28 – 18 = ___________________
______________________________
75 – 15 = ___________________
______________________________
73 +7 = ______________________
______________________________
90 – 20 = ____________________
_______________________________
69 – 9 = ______________________
_______________________________
55 +5 = _______________________
_______________________________
12 +10 = _____________________
_______________________________
70 +4 = _______________________
_______________________________
35 – 5 = ______________________
_______________________________
49 +1 = ______________________
_______________________________
90 – 80 = ____________________
_______________________________
11 +11 = _____________________
_______________________________
25 +3 = _______________________
_______________________________
38 – 4 = ______________________
_______________________________
50 – 8 = ______________________
_______________________________
34 – 12 = _____________________
________________________________
67 – 30 = _____________________
________________________________
43 – 13 = _____________________
________________________________
72 +10 = ______________________
________________________________
52 – 20 = _____________________
________________________________