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Solving Math problems for grade 3 on pages 38 and 39 of Bright Horizon Innovation series Volume 2
Solving exercises on pages 38 and 39 of Math 3 Volume 2 textbook, Bright Horizon Innovation series:
Rectangle Perimeter
Practice
1. Solve Exercise 1 Page 38 Math Grade 3
Problem: Calculate the perimeter of a rectangle.
Solution Guide: To find the perimeter of a rectangle, add the length to the width (using the same unit of measurement) and then multiply by 2.
Answer:
2. Solve Exercise 2 Page 38 Math Grade 3
Problem: Number ?
Solution Guide:
Half of the rectangle's perimeter is the perimeter of the rectangle divided by 2.
The perimeter of the rectangle is half of the rectangle's perimeter multiplied by 2.
Answer:
Practice
1. Solve Exercise 1 Page 39 Math Grade 3
Problem: A rectangular football field with a length of 105 m and a width of 68 m. Calculate the perimeter of the football field.
Solution Guide: To find the perimeter of a rectangle, add the length to the width (using the same unit of measurement) and then multiply by 2
Answer:
The perimeter of the football field is:
(105 + 68) x 2 = 346 (m)
Answer: 346 m.
- See more: Solving exercises on pages 40 and 41 of Math 3 Volume 2 textbook, Bright Horizon Innovation series
2. Solve Exercise 2 Page 39 Math Grade 3
Problem: A plot of land consists of a playground, a flower garden, and a vegetable garden, all in the shape of rectangles (see the figure below).
Solution Guide:
Determine the length and width of the entire plot, playground, flower garden, and vegetable garden.
To find the perimeter of a rectangle, add the length to the width (using the same unit of measurement) and then multiply by 2.
Answer:
Thus, through solving exercises on pages 38 and 39 of Math 3 Volume 2 textbook, Bright Horizon Innovation series, students effortlessly tackled math problems and reinforced their knowledge of formulas and how to calculate the perimeter of a rectangle.
