UNIT 03 // SESSION A // MASTER WHEN READY
Ten more, ten less
Name:Date:
1Ten MORE. Only the tens digit changes.
34 →
67 →
89 →
105 →
148 →
92 →
2Ten LESS.
56 →
71 →
103 →
120 →
45 →
88 →
3Twenty more, and thirty less.
20 more than 46 =
30 less than 75 =
20 more than 91 =
30 less than 130 =
4Keep the chain going.
23, 33, 43, , , ,
137, 127, 117, , , ,
8, 18, 28, , , ,
5Mystery numbers.
a) I am 10 more than 76. I am
b) I am 10 less than 104. I am
c) 10 more than me is 90. I am
d) 10 less than me is 55. I am
Questions 5c and 5dThese reverse the direction, which is much harder than it looks. If she stumbles, put it back in the part whole box.
1. 44,77,99,115,158,102 2. 46,61,93,110,35,78 3. 66, 45, 111, 100 4. 53,63,73,83 / 107,97,87,77 / 38,48,58,68 5. a 86, b 94, c 80, d 65