Ecuador · Grado 4 · Practice Sheet 39

1. 1.

   Find the area of a square with side length 7 cm.

   Formula:Area of a Square

   $A = s^2$

   View formula →
2. 2.

   Find the perimeter of a rectangle measuring 40 m by 33 m.

   Formula:Perimeter of a Rectangle

   $P = 2(l + w)$

   View formula →
3. 3.

   Find the area of a square with side length 9 cm.

   Formula:Area of a Square

   $A = s^2$

   View formula →
4. 4.

   One item costs $10.43. Find the total cost of 8 items.

   Formula:Total Cost

   $\text{total} = \text{price} \times \text{quantity}$

   View formula →
5. 5.

   Calculate 80 × 11.

   Formula:Multiplication

   $p = a \times b$

   View formula →
6. 6.

   An item costs $33.15 and you pay with $50. How much change do you get?

   Formula:Change Due

   $\text{change} = \text{paid} - \text{cost}$

   View formula →
7. 7.

   Calculate 20 × 12.

   Formula:Multiplication

   $p = a \times b$

   View formula →
8. 8.

   An item costs $38.69 and you pay with $40. How much change do you get?

   Formula:Change Due

   $\text{change} = \text{paid} - \text{cost}$

   View formula →
9. 9.

   Convert 3.47 kilometres into metres.

   Formula:Metric Length Conversion

   $1\,\text{km} = 1000\,\text{m}$

   View formula →
10. 10.

    Find the perimeter of a rectangle measuring 6 m by 34 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

    View formula →
11. 11.

    What is 10 × 7?

    Formula:Multiplication (Times Tables)

    $\text{product} = a \times b$

    View formula →
12. 12.

    15 sweets are shared equally among 3 children. How many does each child get?

    Formula:Division (Equal Sharing)

    $\text{each} = \text{total} \div \text{groups}$

    View formula →
13. 13.

    Find 7/8 of 144.

    Formula:Fraction of a Quantity

    $\text{result} = \dfrac{a}{b} \times N$

    View formula →
14. 14.

    An item costs $39.47 and you pay with $50. How much change do you get?

    Formula:Change Due

    $\text{change} = \text{paid} - \text{cost}$

    View formula →
15. 15.

    What is 8 × 10?

    Formula:Multiplication (Times Tables)

    $\text{product} = a \times b$

    View formula →
16. 16.

    Calculate 182 ÷ 7.

    Formula:Division

    $q = \dfrac{a}{b}$

    View formula →
17. 17.

    Find the perimeter of a rectangle measuring 13 m by 30 m.

    Formula:Perimeter of a Rectangle

    $P = 2(l + w)$

    View formula →
18. 18.

    What is 3 × 6?

    Formula:Multiplication (Times Tables)

    $\text{product} = a \times b$

    View formula →
19. 19.

    One item costs $6.87. Find the total cost of 4 items.

    Formula:Total Cost

    $\text{total} = \text{price} \times \text{quantity}$

    View formula →
20. 20.

    Calculate 55 × 11.

    Formula:Multiplication

    $p = a \times b$

    View formula →

© FormulaWon — formulawon.app · Answers & step-by-step working available on the solutions sheet.