Page 78 - NUMINO Challenge_M1
P. 78
Problem solving
1 There are marbles with numbers from 9 to 21 Key Point
written on them. How many marbles are there? The number of
marbles is the same
as the number of
numbers from 9 to
21.
2 If twenty numbers are written in order starting 15, 16, 17, 18,
from 15, what will be the last number?
Numbers 75
1 There are marbles with numbers from 9 to 21 Key Point
written on them. How many marbles are there? The number of
marbles is the same
as the number of
numbers from 9 to
21.
2 If twenty numbers are written in order starting 15, 16, 17, 18,
from 15, what will be the last number?
Numbers 75
