Practice Test 2 - 3rd Grade Math

20 questions. Answer them in any order, then submit to see your score and every explanation.

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1. Solve for the missing number: $72 \div 8 = ?$.
2. Which robot toy will most likely cost more?
3. A student solving $427 - 189$ writes: "I'll round both numbers. $430 - 190 = 240$, so the answer is $240$." What is the mathematical issue with this approach?
4. Mrs. Johnson asked her students to estimate the length of their classroom before measuring it. The classroom fits about 8 student desks in a row, and each desk is about 60 cm long. Based on this estimate, which measuring tool would be most appropriate for measuring the classroom length?
5. What is $32\div 8$? Think: what times $8$ equals $32$?
6. Round $782$ to the nearest hundred.
7. There are 4 whole squares, each fully shaded. How can 4 wholes be written as a fraction?
8. Which symbol makes this statement true: $\frac{1}{4}$ ___ $\frac{3}{4}$?
9. Look at the diagram. Which two shapes share the most attributes with each other?
10. A library has 72 books. 18 books are checked out. The rest are placed equally on 9 shelves. How many books per shelf?
11. What number makes the equation true: $8 \times ? = 48$?
12. In the figure, point X is marked on line segment RS. What is the best way to describe point X?
13. Solve: $56 \div 7 = ?$ What is $?$
14. Lena has 6 packs of 30 stickers. How many stickers does she have in total?
15. A number line is marked in equal steps of one-seventh, starting at 0. Point M sits at $\frac{1}{7}$. The pattern continues with more equal steps. What fraction is at the very next tick mark after point M?
16. A patio is shaped like an L. It can be split into a $7$ m by $4$ m rectangle and a $2$ m by $3$ m rectangle. Which expression could be used to find the total area of the patio in square meters?
17. A toy costs $67¢$. Marcus pays with 3 quarters. What coins should he get back as change if the store gives him the fewest coins possible?
18. A rectangular playground has an area of $63$ square meters and is $9$ meters long. Children divide it into $3$ equal sections for different games. If they want to add the areas using repeated addition, which expression is correct?
19. Refer to the two circles. Devon says the shaded parts show that $\frac{1}{2} = \frac{2}{4}$. Which statement best supports his claim?
20. A rectangular garden is tiled with square stones. Each side of a stone is 1 yard. The garden has 4 rows with 7 stones in each row. Which of the following is a correct way to find the area?

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