Maths Follow Up
Learning Intention:We are learning to add numbers by splitting them into pairs.
1) 28 + 14 = 42
20 + 10 = 30
8 + 2 from the 4 = 10
30+ 10 = 40
40 + the leftover 2 = 42
2) 76 + 9 = 85
76 + 4 = 80
80 + 5 85
3) 37 + 15 = 52
30 + 10 = 40
40 + 7 = 47
47 + 3 from the 5 = 50
50 + leftover 2 = 52
4) 46 + 17 = 63
40 + 10 = 50
7 + 3 from the 6 = 10
50 + 10 = 60
60 + the leftover 3 = 63
5) 68 + 24 = 92
60 + 20 = 80
8 + 2 from the 4= 10
80 + 10 = 90
90 + the leftover 2 = 92
6) 48 + 37 = 85
40 + 30 = 70
70 + 7 = 77
77 + 3 from the 8 = 80
80 + the leftover 5 = 85
7) 29 + 62 = 91
29 + the 1 fro the 2 = 30
30 + 60 = 90
90 + the leftover 1 = 91
8) 18 + 63 = 81
18 + 2 from the 3 = 20
60 + 20 = 80
80 + the leftover 1 from the 3 = 81
9) 55 + 17 = 72
7 + 3 from the 5 = 10
10 + 10 = 20
50 + 20 = 70
70 + leftover 2 from the 5 = 72
10) 29 + 54 = 83
29 + 1 from the 4 = 30
30 + 50 = 80
80 + leftover 3 from the 4 = 83
(11) 38 + 17 = 55
8 + 7 = 15
30 + 10 + 10 = 50
50 + the 5 from the 15 = 55
(12) 37 + 54 = 91
7 + 3 from the 4 = 10
50 +30 = 80
80 + 10 = 90
90 + the leftover 1 from the 4 = 91
13) 69 + 73 = 142
60 + 40 from the 70 = 100
100 + the leftover 30 = 130
9 + 3 = 12
12 + 10 = 22
30 + 22 = 142
(14) 78 + 45 = 123
70 + 30 from the 40 = 100
100 + 10 = 110
10 + 8 = 18
18 + 2 from the 5 = 20
20 + the leftover 3 = 23
100 + 23 = 123
(15) 27 + 57 = 84
20 + 50 = 70
7 + 7 = 14
70 + 10 = 80
80 + 4 = 84
16) 19 + 64 = 83
10 + 60 =70
70 + 9 = 79
79 + 1 from the 4 = 80
80 + the leftover 3 = 83
(17) 27 + 46 = 73
20 + 40 = 60
60 + 6 = 66
66 + 4 from the 7 = 70
70 + the leftover 3 from the 7 = 73
(18) 38 + 75 = 113
70 + 30 = 100
100 + 8 = 108
8 + 5 = 13
100 + 13 = 113
19) 47 + 86 = 113
80 + 20 from the 40 = 100
100 + the leftover 20 = 120
7 + 6 = 13
100 + 13 = 113
(20) 34 + 68 = 102
30 + 60 = 90
8 + 2 from the 4 = 10
90 + 10 = 100
100 + the leftover 2 from the 4 = 102
(21) 58 + 86 = 144
80 + 20 from the 50 = 100
100 + the leftover 30 from the 50 = 130
8 + 6 = 14
30 + 14 = 44
100 + 44 = 144
22) 74 + 38 = 112
70 + 30 = 100
8 + 4 = 12
100 + 12 = 112
(23) 95 + 29 = 124
90 + 10 from the 20 = 100
9 + the leftover 10 from the 20 = 19
19 + 1 from the 5 = 20
20 + the leftover 4 from the 5 = 24
100 + 24 = 124
(24) 88 + 36 = 124
80 + 20 from the 30 = 100
8 + the leftover 10 from the 30 = 18
18 + 2 from the 6 = 20
20 + the leftover 4 from the 6 = 24
100 + 24 = 124
Well done with your work. Great to see you using the right way of solving the problems. Keep up the good work.
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