Page 86 - NUMINO Challenge_M1
P. 86
Problem solving
1 What is the sum of all the numbers that can fit in Key Point
17 4 21
the blank?
17 21
2 Find the missing digit, if the tens place of two 275 270
numbers, 2 5 and 1 6, are unknown and 285 270
satisfy the conditions below. 295 270
270 2 5
1 6 186
Numbers 83
1 What is the sum of all the numbers that can fit in Key Point
17 4 21
the blank?
17 21
2 Find the missing digit, if the tens place of two 275 270
numbers, 2 5 and 1 6, are unknown and 285 270
satisfy the conditions below. 295 270
270 2 5
1 6 186
Numbers 83
