_____ = 56 + 4
60
30 -- -20-->______ -- +10 --> ______
30 -- ________ = _______
30 -- -20--> 10 -- +10 --> 20
30 - 10 = 20
25 + 5 = _______
Subtraction number sentence:
_____ - 30 = _____
25 + 5 = 30
Subtraction number sentence:
30 - 5 = 25 or 30 -25 = 5
10 - 7 = ____
____ + ____ = ______
10 - 7 = 3
7 + 3 = 10
3 + 7 = 10
20 - 16 = ____
20 - 16 = 4
_______ = 25 - 6
19
350 --------> 150 -------> 170
350 -- _______ = 170
350 -- -200 --> 150 -- +20 ---> 170
350 -- _180___ = 170
68 + 122 = ______
_______ - _______ = ________
68 + 122 = 190
190 - 68 = 122 or
190 - 122= 68
75 - 13 - ____
___ + ___ = _____
75 - 13 = 62
62 + 13 = 75
______ = 61 - 29
32 = 61 -29
_______ + 200 = 359
559
_______ -- -30 --> _____ -- - 10 --> 410
________ -40 = 410
450 -- -30 --> 420 -- - 10 --> 410
_450 -40 = 410
3 + 10 = ______
_____ - ____ = ______
3 + 10 = 13
13 - 3 = 10
13- 10 =3515 -- 128 = _____
Check with addition
515 -- 128 = 387
387 + 128 = 515
20 - 4 = 32 - _____
320 - 160 = _________
160
840 --- -300 --> ______ --- +200 --> _______
840 -- _____ = ________
840 --- -300 --> 540 -- +200 --> 740
840 -- 100 = 740
123 + 7 = ______
____ - _____ = _____
123 + 7 = 130
130 - 7 = 123130 - 123 = 7
800 - 667 = _____
Check with addition
133 + 667 = 800
500 - ______ = 600 - 250
500 - 350 = 600 - 250
_______ + 600 = 834
234
_____ -- -500 --> _____ -- - 60 --> 58
_______ - 560 = _________
718 -- -500 --> 218 -- - 60 --> 58
718 - 560 = 58
851 + 25 = ______
_____ - ____ = ______
851 + 25 = 876
876 - 851 = 25
or
876 -25 = 851
45 - 5 = ______
___ + _____ = _____
45 - 5 = 40
40 + 5 = 45
700 - _____ = 500 - 232
700 - 432 = 500 - 232