Solving Exercise 1 on page 90 Math 5 in Concentration Practice: Set up the calculation and then solve:

Guidance for Solving Exercise 1 Page 90 Math 5

Problem:
a) 39.72 + 46.18                                       b) 95.64 - 27.35
c) 31.05 x 2.6                                           d) 77.5 ÷ 2.5

Solution Method:
- Review the rules for adding decimals in the Solution Guide for Exercise 1 Page 50 Math 5.
- Review the rules for subtracting decimals in the Solution Guide for Exercise 1 Page 54 Math 5.
- Review the rules for multiplying decimals by a natural number in the Solution Guide for Exercise 1 Page 56 Math 5.
- Review the rules for dividing decimals by a decimal in the Solution Guide for Exercise 1 Page 71 Math 5.

Answer:
a) 85.9                                                      b) 68.29
c) 80.73                                                      d) 31

Section Solving Math Grade 5 Page 89, 90 comprises 4 exercises. After solving Exercise 1 on page 90 Math 5, continue to explore suggestions and methods for Solving Exercise 2 Page 90 Math 5, Solving Exercise 3 Page 90 Math 5, and Solving Exercise 4 Page 90 Math 5, to enhance your understanding of 5th-grade math.