10 more/10 less
10 more from 40
What is 50?
34+54
What is 84?
5, 10, 15, ____
What is 20?
2, 4, 6, ____
What is 8?
3+3
What is 6?
10 more from 72
What is 82?
123+146
What is 269?
15, 20, 25, ____, 35
What is 30?
8, 10, ___, 14
What is 12?
6+6+1
What is 13?
10 less from 34
What is 24?
457+328=
What is 785?
100, 105, ____
What is 110?
16, 18, ______
What is 20?
8+8-1=
What is 15?
20 less from 65
What is 45?
1,200+700=
What is 40?
44, 46, ____, 50
What is 48?
8+8 and 10+10=
What is 36?
10 less from 243
What is 233?
1,458+1,398=
What is 2,859?
135, 130, 125, ______
What is 120?
230, 220, 210, ______
What is 200?
12+12-1=
What is 23?