Number Thinking2( Week 45 Practice) 1. Find the sum of the natural numbers from 1 to 45 inclusively. i.e. find the sum of 1+2+3+ ... +43+44+45. 2. George opens a book and the sum of the two page numbers in front of him is 77. What is the product of the two page numbers? 3. If m and n are positive integers and 7m + 8n = 45, what is the sum of all possible values of n? 4. Some toys are distributed to children. If each child is given 4 toys, 3 toys are left. If each child is given 5 toys, 7 more toys are needed. How many toys are there? |