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Addition and subtraction up to 100
Addition and subtraction of numbers up to 100

Addition and beyond 100

(1) Calculate and check with the solution numbers.

(a) (b) (c) (d)
24 + 11 = 35 22 + 23 =      47 + 18 =      24 + 18 =     
14 + 20 =      35 + 17 =      30 + 37 =      20 + 26 =     
20 + 17 =      18 + 38 =      36 + 22 =      27 + 29 =     
27 + 17 =      28 + 26 =      17 + 44 =      15 + 20 =     
15 + 21 =      38 + 29 =      79 + 20 =      22 + 20 =     
Results:
37   56   65   67   36   45   57   67   42 34   36   67   58   44   35  54   99   61   99

(2) Which symbol is needed? <, > or = ?

(a) (b) (c) (d)
29 + 24 49 43 11 + 16 18 + 27 16 + 15 29 + 11 16 + 24
15 + 29 60 45 22 + 14 10 + 11 13 + 27 29 + 22 14 + 15

(3) Enter the missing numbers.

+ 19 25 37
18
38
50
+ 19 27 39
26
46
59
+ 10 22 33
17
37
59

(4) Enter the missing numbers.

(a) (b) (c)
12 + 17 + 18 = _______ 40 + 26 + 18 = _______ 21 + 32 + 29 = _______
24 + 8 + 26 = _______ 14 + 39 + 14 = _______ 37 + 22 + 40 = _______
11 + 20 + 13 = _______ 42 + 15 + 10 = _______ 20 + 50 + 15 = _______
12 + 15 + 30 = _______ 36 + 11 + 23 = _______ 28 + 25 + 34 = _______
22 + 15 + 10 = _______ 21 + 24 + 24 = _______ 30 + 12 + 30 = _______
(5) Add the values below up to the last row:
[4] [7] [10] [13] [16] [19] [22] [25] [28]
↘ + ↙↘ + ↙↘ + ↙↘ + ↙ ↘ + ↙↘ + ↙↘ + ↙↘ + ↙
[   ][17] [   ][   ] [   ][   ] [   ][   ]
↘ + ↙↘ + ↙↘ + ↙ ↘ + ↙↘ + ↙↘ + ↙↘ + ↙
[   ][   ] [   ][64] [   ][   ] [   ]
↘ + ↙↘ + ↙↘ + ↙ ↘ + ↙↘ + ↙
[   ] [   ][   ] [   ][   ] [   ]
↘ + ↙↘ + ↙ ↘ + ↙↘ + ↙↘ + ↙
[   ][   ] [   ][   ][   ]

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