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Math Grade 2-3 Answer Key

Math: FL FAST 3rd Grade Math Practice Test 3

Mixed third-grade math practice for numbers, operations, fractions, measurement, geometry, and data

Answer Key
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Math: FL FAST 3rd Grade Math Practice Test 3

Mixed third-grade math practice for numbers, operations, fractions, measurement, geometry, and data

Math - Grade 2-3

Instructions: Read each problem carefully. Show your work in the space provided. Choose the best answer or write a complete answer when asked.
  1. 1

    In the number 4,582, what is the value of the digit 5?

    Look at the place where the digit 5 is located.

    The value of the digit 5 is 500 because it is in the hundreds place.
  2. 2

    Which symbol makes this comparison true? 3,409 ___ 3,490. Choices: <, >, =

    The correct symbol is < because 3,409 is less than 3,490.
  3. 3

    Round 672 to the nearest ten.

    Use the ones digit to decide whether to round up or stay at the same ten.

    672 rounded to the nearest ten is 670 because the ones digit is 2.
  4. 4

    Find the sum: 438 + 275.

    438 + 275 = 713.
  5. 5

    Find the difference: 902 - 468.

    Regroup carefully in the tens and hundreds places.

    902 - 468 = 434.
  6. 6

    A library had 356 mystery books and 289 animal books. How many mystery and animal books did the library have in all?

    The library had 645 mystery and animal books in all because 356 + 289 = 645.
  7. 7

    An array has 4 rows with 6 dots in each row. Which equation shows the total number of dots?

    Multiply the number of rows by the number of dots in each row.

    The equation is 4 x 6 = 24, so there are 24 dots in all.
  8. 8

    Find the product: 7 x 8.

    7 x 8 = 56.
  9. 9

    There are 36 stickers shared equally among 4 students. How many stickers does each student get?

    Think about the multiplication fact 4 x ? = 36.

    Each student gets 9 stickers because 36 divided by 4 equals 9.
  10. 10

    Find the missing number: 6 x ___ = 42.

    The missing number is 7 because 6 x 7 = 42.
  11. 11

    Mia baked 5 trays of muffins. Each tray had 8 muffins. She gave away 12 muffins. How many muffins did Mia have left?

    First find how many muffins she baked in all.

    Mia had 28 muffins left because 5 x 8 = 40 and 40 - 12 = 28.
  12. 12

    A rectangle is divided into 6 equal parts. Four parts are shaded. What fraction of the rectangle is shaded?

    The shaded fraction is 4/6 because 4 of the 6 equal parts are shaded.
  13. 13

    On a number line from 0 to 1, the line is divided into 4 equal parts. What fraction is at the second mark after 0?

    Count the equal parts from 0 to the mark.

    The second mark after 0 is 2/4.
  14. 14

    Which fraction is greater, 3/8 or 5/8?

    5/8 is greater because both fractions have the same denominator and 5 is greater than 3.
  15. 15

    Look at two same-size circles. One circle has 1 of 2 equal parts shaded. The other has 2 of 4 equal parts shaded. Are the shaded amounts equal?

    Compare how much of each whole circle is shaded.

    Yes, the shaded amounts are equal because 1/2 and 2/4 name the same amount of the whole.
  16. 16

    A shape covers 15 square units on a grid. What is the area of the shape?

    The area of the shape is 15 square units.
  17. 17

    A rectangle is 9 units long and 4 units wide. What is its area?

    Area of a rectangle is length times width.

    The area is 36 square units because 9 x 4 = 36.
  18. 18

    A rectangle has a length of 8 inches and a width of 3 inches. What is its perimeter?

    The perimeter is 22 inches because 8 + 3 + 8 + 3 = 22.
  19. 19

    A rectangle has a perimeter of 30 feet. Its length is 10 feet. What is its width?

    A rectangle has two equal lengths and two equal widths.

    The width is 5 feet because 10 + 10 = 20 and 30 - 20 = 10, so the two widths total 10 feet and each width is 5 feet.
  20. 20

    School starts at 8:15 a.m. Recess starts at 10:00 a.m. How much time passes from the start of school to recess?

    1 hour and 45 minutes pass from 8:15 a.m. to 10:00 a.m.
  21. 21

    Lena has 3 quarters, 2 dimes, and 4 pennies. How much money does she have?

    Add 75 + 20 + 4.

    Lena has 99 cents because 3 quarters are 75 cents, 2 dimes are 20 cents, and 4 pennies are 4 cents.
  22. 22

    The bar graph shows books read by four students: Ana read 6, Ben read 4, Cam read 9, and Dee read 7. How many more books did Cam read than Ben?

    Cam read 5 more books than Ben because 9 - 4 = 5.
  23. 23

    A pictograph shows apples picked. Each apple picture stands for 2 apples. Sam has 5 apple pictures. How many apples did Sam pick?

    Multiply the number of pictures by the key value.

    Sam picked 10 apples because 5 pictures times 2 apples each equals 10 apples.
  24. 24

    A line plot shows these ribbon lengths in inches: 2, 3, 3, 4, 4, 4, 5. Which length appears most often?

    The length 4 inches appears most often because it appears 3 times.
  25. 25

    A pencil is 14 centimeters long. A crayon is 9 centimeters long. How much longer is the pencil than the crayon?

    Subtract the shorter length from the longer length.

    The pencil is 5 centimeters longer than the crayon because 14 - 9 = 5.
  26. 26

    A bottle has 1 liter of water. A cup has 250 milliliters of water. Which container has more water?

    The bottle has more water because 1 liter is equal to 1,000 milliliters, which is greater than 250 milliliters.
  27. 27

    A watermelon has a mass of 4 kilograms. A small apple has a mass of 150 grams. Which item has the greater mass?

    Kilograms are used for heavier objects, and grams are used for lighter objects.

    The watermelon has the greater mass because 4 kilograms is much greater than 150 grams.
  28. 28

    Which shape is a quadrilateral? Choices: triangle, pentagon, rectangle, hexagon

    A rectangle is a quadrilateral because it has 4 sides.
  29. 29

    A rectangle is divided into 3 equal rows and 2 equal columns. How many equal parts are there in all?

    Multiply rows by columns.

    There are 6 equal parts in all because 3 x 2 = 6.
  30. 30

    What is the next number in the pattern? 6, 12, 18, 24, ___

    The next number is 30 because the pattern adds 6 each time.
  31. 31

    A stadium has 487 seats in one section and 312 seats in another section. About how many seats are there in both sections if each number is rounded to the nearest hundred?

    Round each number to the nearest hundred before adding.

    There are about 800 seats because 487 rounds to 500 and 312 rounds to 300, and 500 + 300 = 800.
  32. 32

    Which equation shows the Commutative Property of Multiplication? Choices: 4 x 7 = 7 x 4, 4 + 0 = 4, 4 x 1 = 4, 28 divided by 4 = 7

    The equation 4 x 7 = 7 x 4 shows the Commutative Property of Multiplication because the factors change order but the product stays the same.
  33. 33

    Which multiplication equation can help solve 48 divided by 6?

    Division and multiplication are inverse operations.

    The equation 6 x 8 = 48 can help solve 48 divided by 6, so the quotient is 8.
  34. 34

    A garden is made of two rectangles. One rectangle is 5 feet by 4 feet, and the other rectangle is 3 feet by 4 feet. What is the total area?

    The total area is 32 square feet because 5 x 4 = 20, 3 x 4 = 12, and 20 + 12 = 32.
  35. 35

    Find the perimeter of a triangle with side lengths 6 centimeters, 8 centimeters, and 10 centimeters.

    Add all the side lengths.

    The perimeter is 24 centimeters because 6 + 8 + 10 = 24.
  36. 36

    There are 6 boxes. Each box has 9 markers. Then 14 markers are taken out. How many markers are left?

    There are 40 markers left because 6 x 9 = 54 and 54 - 14 = 40.
  37. 37

    Which is the best estimate for 296 + 402? Choices: 300, 500, 700, 900

    Round both numbers to the nearest hundred.

    The best estimate is 700 because 296 is about 300 and 402 is about 400, and 300 + 400 = 700.
  38. 38

    A square is divided into 4 equal parts, and all 4 parts are shaded. What fraction names the shaded part of the square?

    The shaded part is 4/4, which is equal to 1 whole.
  39. 39

    A picture graph shows the number of pets in a class. Each paw print stands for 3 pets. Dogs have 4 paw prints, cats have 3 paw prints, and fish have 2 paw prints. How many pets are shown in all?

    First count all the paw prints, then multiply by 3.

    There are 27 pets shown in all because 4 + 3 + 2 = 9 paw prints and 9 x 3 = 27.
  40. 40

    Jamal solved 54 divided by 9 and got 7. Is his answer correct? Explain.

    Jamal's answer is not correct because 9 x 6 = 54, so 54 divided by 9 equals 6.
LivePhysics™.com Math - Grade 2-3 - Answer Key