Mỳ Second Grade Math 4th week test

Day 19 #1: What is the value of a quarter? A) 5¢ B) 10¢ C) 25¢ D) 50¢

C) 25¢

Day 19 #2: 1 dime is equal in value to ___ nickels.

2 nickels (2 x 5 = 10)

Day 19 #3: 4 quarters equal $1.00 (or 100¢). (True or False?)

True (4 x 25¢ = 100¢ = $1.00)

Day 19 #4: How many pennies have the same value as 3 dimes?

30 pennies (3 dimes = 30¢)

Day 19 #5: 2 quarters, 1 dime, and 1 nickel = ___¢.

65¢ (25 + 25 + 10 + 5 = 65)

Day 19 #6: Which group of coins has the greatest value? A) 3 quarters B) 8 dimes C) 15 nickels D) 70 pennies

B) 8 dimes (8 dimes = 80¢; 3 quarters = 75¢; 15 nickels = 75¢; 70 pennies = 70¢)

Day 19 #7: 3 dimes and 4 nickels equal 50¢. (True or False?)

True (30¢ + 20¢ = 50¢)

Day 19 #8: You have 65¢. You need ___¢ more to make $1.00.

35¢ (100 - 65 = 35)

Day 19 #9 (Word Problem): Leo has 1 quarter, 2 dimes, and 3 pennies in his pocket. How much money does Leo have in total?

48¢ (25 + 20 + 3 = 48)

Day 19 #10: Maya wants to buy an apple that costs 75¢. She gives the cashier a $1 bill (100¢). How much change should she receive? A) 15¢ B) 25¢ C) 35¢ D) 20¢

B) 25¢ (100 - 75 = 25)

Day 19 #11: Write the total value: 3 one-dollar bills, 1 quarter, and 2 dimes = $___.

$3.45 ($3.00 + 25¢ + 20¢)

Day 19 #12: Five nickels are worth more than two dimes. (True or False?)

True (5 nickels = 25¢, 2 dimes = 20¢; 25 > 20)

Day 19 #13 (Word Problem): Sam has 2 one-dollar bills, 3 quarters, and 1 nickel. He buys a notebook for $2.40. How much money does Sam have left?

$0.40 (or 40¢) (Sam starts with $2.00 + 75¢ + 5¢ = $2.80; $2.80 - $2.40 = $0.40)

Day 19 #14: What is the fewest number of coins needed to make 66¢? Name each coin.

5 coins: 2 quarters (50¢), 1 dime (10¢), 1 nickel (5¢), 1 penny (1¢) (50 + 10 + 5 + 1 = 66¢)

Day 19 #15 (Challenge): Chloe has 8 coins in her piggy bank that total 85¢. The coins are only quarters, dimes, and nickels. Exactly how many of each coin does she have?

1 quarter, 5 dimes, 2 nickels (25¢ + 50¢ + 10¢ = 85¢; 1 + 5 + 2 = 8 coins).

Day 20 #1: How many minutes are in 1 whole hour? A) 12 B) 30 C) 60 D) 100

C) 60

Day 20 #2: When the minute hand points to 6, it represents ___ minutes past the hour.

30 minutes

Day 20 #3: The short hand on a clock points to the minute. (True or False?)

False (The short hand is the hour hand; the long hand is the minute hand)

Day 20 #4: If the hour hand is between 4 and 5, and the minute hand is pointing directly at 7, what time is it?

4:35

Day 20 #5: "Quarter past 8" means the time is ___:___.

8:15

Day 20 #6: Which activity would most likely happen at 7:30 p.m.? A) Eating dinner B) Waking up in the morning C) Arriving at school D) The sun rising

A) Eating dinner

Day 20 #7: When the time is 9:45, the minute hand points at 9. (True or False?)

True (9 x 5 = 45)

Day 20 #8: "Half past 3" is written as ___:___.

3:30

Day 20 #9 (Word Problem): Recess starts at 10:15 a.m. and ends at 10:45 a.m. How many minutes long is recess?

30 minutes (45 - 15 = 30)

Day 20 #10: What time is shown when the minute hand points at 4 and the hour hand is just past 2? A) 2:04 B) 2:20 C) 4:10 D) 2:40

B) 2:20 (4 x 5 = 20)

Day 20 #11: 20 minutes after 6:15 is ___:___.

6:35 (15 + 20 = 35)

Day 20 #12: There are 12 hours from midnight to noon. (True or False?)

True

Day 20 #13 (Word Problem): Dinner was ready at 6:10 p.m. The family took 35 minutes to eat dinner and clean the table. What time did they finish?

6:45 p.m. (10 + 35 = 45)

Day 20 #14: A soccer match starts at 3:15 p.m. It takes Lucas 20 minutes to walk to the field. What is the latest time Lucas can leave his home so he is not late?

2:55 p.m. (15 minutes after 3 - 20 minutes -> 5 minutes before 3:00)

Day 20 #15 (Challenge): A movie started at 1:20 p.m. The movie was 1 hour and 30 minutes long. After the movie, Noah spent 15 minutes buying popcorn and greeting friends before leaving the theater. What time did Noah leave the theater?

3:05 p.m. (1:20 + 1 hr 30 min = 2:50 p.m.; 2:50 + 15 minutes = 3:05 p.m.)

Day 21 #1: Which unit is best to measure the length of a real school bus? A) Inches B) Feet C) Centimeters

B) Feet

Day 21 #2: There are ___ inches in 1 foot.

12 inches

Day 21 #3: A centimeter is longer than an inch. (True or False?)

False (1 inch ≈ 2.54 centimeters; an inch is longer)

Day 21 #4: If a pencil is 7 inches long and an eraser is 2 inches long, how much longer is the pencil than the eraser?

5 inches (7 - 2 = 5)

Day 21 #5: 1 meter equals ___ centimeters.

100 centimeters

Day 21 #6: What is the best estimate for the length of a standard crayon? A) 3 inches B) 3 feet C) 3 meters D) 30 inches

A) 3 inches

Day 21 #7: Measuring an object with centimeters will give a larger number of units than measuring it with inches. (True or False?)

True (Centimeters are smaller units, so it takes more of them to cover the same length)

Day 21 #8: A desk is 36 inches long. In feet, the desk is ___ feet long.

3 feet (36 ÷ 12 = 3)

Day 21 #9 (Word Problem): A blue yarn piece is 24 cm long. A red yarn piece is 39 cm long. If you tie them end to end without overlap, what is their total length?

63 cm (24 + 39 = 63)

Day 21 #10: An index card is measured with a broken ruler that starts at 2 inches and ends at 7 inches. How long is the card? A) 7 inches B) 2 inches C) 5 inches D) 9 inches

C) 5 inches (7 - 2 = 5)

Day 21 #11: A snake was 48 cm long last year. Now it is 62 cm long. The snake grew ___ cm.

14 cm (62 - 48 = 14)

Day 21 #12: A doorway is about 7 inches tall. (True or False?)

False (A doorway is about 7 feet tall, not inches)

Day 21 #13 (Word Problem): Liam has a wooden board that is 85 cm long. He cuts off a piece that is 37 cm long. How long is the board that remains?

48 cm (85 - 37 = 48)

Day 21 #14: Ribbon A is 52 inches long. Ribbon B is 14 inches shorter than Ribbon A. Ribbon C is 8 inches longer than Ribbon B. How long is Ribbon C?

46 inches (Ribbon B: 52 - 14 = 38; Ribbon C: 38 + 8 = 46)

Day 21 #15 (Challenge): A classroom wall is 18 feet long. The teacher hangs three posters in a row without overlapping: * Poster 1 is 4 feet long. * Poster 2 is 5 feet long. * Poster 3 is 3 feet long. How many feet of wall space are still empty?

6 feet (Total posters: 4 + 5 + 3 = 12 feet; Empty wall: 18 - 12 = 6 feet)

Day 22 #1: Which flavor is the most popular? A) Vanilla B) Chocolate C) Strawberry D) Cookie Dough

B) Chocolate (9 votes)

Day 22 #2: ___ more students prefer Chocolate than Strawberry.

5 (9 - 4 = 5)

Day 22 #3: Exactly 26 students voted in total. (True or False?)

True (6 + 9 + 4 + 7 = 26)

Day 22 #4: How many students chose either Vanilla or Cookie Dough?

13 students (6 + 7 = 13)

Day 22 #5: In a picture graph of this data where each 🍦 symbol equals 2 votes, you would draw ___ symbols for Strawberry.

2 symbols (4 ÷ 2 = 2)

Day 22 #6: On a pictograph where each 🌟 represents 5 books read: Maya has 4 stars next to her name. How many books did Maya read? A) 9 B) 15 C) 20 D) 25

C) 20 (4 x 5 = 20)

Day 22 #7: On a line plot, the "X" marks show how many times a particular measurement occurred. (True or False?)

True

Day 22 #8: A bar graph shows 14 birds on a fence and 8 squirrels on the ground. There are ___ fewer squirrels than birds.

6 (14 - 8 = 6)

Day 22 #9 (Word Problem): A student measures 5 pencils in inches: 3, 5, 5, 6, 7. On a line plot of this data, which number will have the most X's above it?

5 inches (Occurs twice)

Day 22 #10: Look at this bar graph summary: * Apples: 12 * Bananas: 8 * Oranges: 15 How many pieces of fruit are there in all? A) 23 B) 35 C) 30 D) 27

B) 35 (12 + 8 + 15 = 35)

Day 22 #11: If 5 more students vote for Bananas in the fruit survey above, Bananas will have ___ votes.

13 votes (8 + 5 = 13)

Day 22 #12: If each icon on a picture graph equals 2 items, half an icon equals 1 item. (True or False?)

True

Day 22 #13 (Word Problem): In a pet survey: * Dogs: 16 votes * Cats: 11 votes * Fish: 5 votes How many more votes did Dogs receive than Cats and Fish combined?

0 more votes (They are tied) (Cats + Fish = 11 + 5 = 16; Dogs = 16; 16 - 16 = 0)

Day 22 #14: A line plot tracks pencil lengths: * 4 inches: XX * 5 inches: XXXX * 6 inches: XXX * 7 inches: X How many pencils were measured altogether, and what is the difference in length between the longest and shortest pencil measured?

10 pencils altogether (2 + 4 + 3 + 1 = 10); Difference is 3 inches (7 - 4 = 3)

Day 22 #15 (Challenge): A classroom graph tracked books read in October. * Table 1 read 24 books. * Table 2 read 6 fewer books than Table 1. * Table 3 read twice as many books as Table 2. How many total books were read by all three tables?

78 books (Table 1 = 24; Table 2 = 24 - 6 = 18; Table 3 = 18 x 2 = 36; Total = 24 + 18 + 36 = 78)

Day 23 #1: How many sides does a pentagon have? A) 4 B) 5 C) 6 D) 8

B) 5

Day 23 #2: A shape with 6 sides and 6 vertices is called a ___.

hexagon

Day 23 #3: All squares are quadrilaterals. (True or False?)

True (A quadrilateral is any 4-sided polygon; squares have 4 sides)

Day 23 #4: How many equal parts are in a pizza cut into fourths?

4 equal parts

Day 23 #5: A cube has ___ flat square faces.

6 faces

Day 23 #6: Which shape has 0 straight sides and 0 vertices? A) Triangle B) Circle C) Trapezoid D) Rectangle

B) Circle

Day 23 #7: A rectangle partitioned into 3 equal shares is divided into thirds. (True or False?)

True

Day 23 #8: If a circle is cut into 2 equal parts, each part is called one ___.

half

Day 23 #9 (Word Problem): Emma cuts a rectangular sheet of brownies into 2 rows and 3 columns of equal-sized pieces. How many brownie pieces does she have, and what fraction is each piece of the whole?

6 brownie pieces; each piece is one sixth (1/6) of the whole. (2 x 3 = 6)

Day 23 #10: How many vertices does a triangle have? A) 2 B) 3 C) 4 D) 5

B) 3

Day 23 #11: A quadrilateral has ___ sides and ___ angles.

4 sides and 4 angles

Day 23 #12: Two halves of the same circle can be unequal in size. (True or False?)

False (By definition, halves must be equal shares)

Day 23 #13: Name three different types of quadrilaterals.

Square, Rectangle, Rhombus (Also acceptable: Trapezoid, Parallelogram)

Day 23 #14: A bakery pie is cut into fourths. Ben eats two fourths of the pie. What fraction of the pie is left? Can this fraction also be called one half?

Two fourths (2/4) of the pie is left. Yes, two fourths equals one half (1/2).

Day 23 #15 (Challenge): Caleb has a mystery shape. * It is a closed flat polygon. * It has more vertices than a quadrilateral, but fewer vertices than a hexagon. * How many sides does it have? What is the name of this shape?

5 sides; it is a Pentagon. (More than 4 and fewer than 6 means 5 vertices and 5 sides).

Day 24 #1: What is the expanded form of 709? A) 70 + 9 B) 700 + 90 C) 700 + 9 D) 7 + 0 + 9

C) 700 + 9

Day 24 #2: 15 - 8 = ___

7

Day 24 #3: 542 > 524. (True or False?)

True (542 > 524)

Day 24 #4: Solve vertically: 485 + 367 = ?

852 (485 + 367 = 852)

Day 24 #5: 700 - 348 = ___

352 (700 - 348 = 352)

Day 24 #6: Which of the following numbers is an ODD number? A) 214 B) 358 C) 471 D) 690

C) 471 (Ends in 1)

Day 24 #7: 3 quarters, 2 dimes, and 1 nickel equal $1.00. (True or False?)

True (75 + 20 + 5 = 100¢ = $1.00)

Day 24 #8: A clock shows the hour hand between 7 and 8 and the minute hand at 9. The time is ___:___.

7:45

Day 24 #9 (Word Problem): An array of chairs has 4 rows with 5 chairs in each row. How many total chairs are in the array? Write the repeated addition sentence.

20 chairs; 5 + 5 + 5 + 5 = 20 (or 4 + 4 + 4 + 4 + 4 = 20)

Day 24 #10: How many inches are in 2 feet? A) 14 inches B) 20 inches C) 24 inches D) 36 inches

C) 24 inches (12 x 2 = 24)

Day 24 #11: A polygon with 5 sides and 5 vertices is called a ___.

pentagon

Day 24 #12: When you divide a rectangle into 4 equal shares, each part is called a third. (True or False?)

False (Each part of 4 equal shares is called a fourth)

Day 24 #13 (Word Problem): A toy store had 120 teddy bears. On Friday, they sold 45 bears. On Saturday, they received a shipment of 60 new bears. How many teddy bears does the store have now?

135 teddy bears (120 - 45 = 75; 75 + 60 = 135)

Day 24 #14 (Word Problem): Oliver has $5.00. He buys a toy car for $3.25. How much change does Oliver receive?

$1.75 ($5.00 - $3.25 = $1.75)

Day 24 #15 (Challenge): A school library has 500 books on three bookshelves: * Shelf 1 holds 165 books. * Shelf 2 holds 188 books. * Shelf 3 holds the rest of the books. a) How many books are on Shelf 3? b) Is the number of books on Shelf 3 an even or odd number? c) How many more books are on Shelf 2 than on Shelf 1?

a) 147 books (165 + 188 = 353; 500 - 353 = 147) b) Odd number (147 ends in 7) c) 23 more books (188 - 165 = 23)