ADDING AND SUBTRACTING

DECIMALS

A tour leaves from Niagara Falls for baseball games in Toronto and Montreal. The bus then returns to Niagara Falls. At the start of the trip, the odometer on the bus reads

47 681.4 km. At the end, it reads 49 024.1 km. How far was the trip?

CAN YOU SOLVE THE PROBLEM?

The East Side Boys and Girls Club spent $784.79 for a television, $456.50 for a sofa, and $276.98 for an entertainment centre. How much was spent altogether?

CAN YOU SOLVE THE PROBLEM?

When adding and subtracting decimals, the important thing to remember is to keep the decimal points in line in the question and the answer.

Decimals - Adding and subtracting decimals

http://cemc2.math.uwaterloo.ca/mathfrog/english/kidz/addsubdec.shtml

DECIMAL MANIA ANYONE?!?

You have been given $100 to spend on groceries for the week. Decide on items that you would like to purchase then create a receipt. You cannot go over budget! Items you need include:

-food -drink -toilet paper -paper towel -toothpaste *Let’s see who can get the most for their dollar!

Your Task

Work through pg. 19 of Math Power 7

THINK YOU’VE GOT THE HANG OF IT? TRY THESE QUESTIONS: