Kalina bought a cake for a part and cut it into 8 equal pieces. Kalina and some friends ate part of the cake. Kalina ate 2 pieces, Antonio ate 1 piece, and Rhonda and Michael each ate 1 piece. What fractional part of the cake was eaten by Kalina and her friends?
5/8
100
A square has side lengths of 1 meter. What is the area of the square?
1 square meter because 1 meter x 1 meter = 1 square meter
100
As part of the recycling drive at their school, Zafir, Brearm Michelle, and Carlos collected 23, 45, 40, and 31 cans. What is the total number of cans collected by the four students, rounded to the nearest ten?
140
100
Can the same whole number be used to solve each of these number sentences?
8 x ___ = 72
___ x 8 = 72
72 ÷ ___= 8
72 ÷ 8 = ____
Yes, the missing number is 9. All the number sentences are related.
200
Jaime uses the expression (4x3)+(4x2) to find the total number of desks in her classroom. If the desks are arranged in groups of 4, how many groups are there?
5 because 3+2=5
200
See number 30 on page 52.
2
200
Mr. Jackson's kitchen is 9ft by 8 feet. What is the are of Mr. Jackson's kitchen?
72 feet squared
200
Mrs. Smith made lemonade for a birthday party . The diagrams show how much lemonade there as before the part and after the part. (See image on page 53 number 31) Which is the best estimate of how much lemonade Mrs. Smith served at the birthday party?
3 liters
200
Amanda had 36 coins. She gave all her coins to 4 friends. She gave each friend the same number of coins. Which number sentence can Amanda use to show how many coins each friend got?
36 ÷ 4 = c
300
A photo album is filled with photos. Each page has 3 rows of photos with 3 photos in each row. If the photo album contains 72 photos, how many pages are filled with photos?
8 pages
300
See number 35 on page 55.
Number line D
300
Debbie builds a square garden. One side of the garden is 6 yards. What is the area of Debbie's garden?
36 yards squared
300
Which is the best estimate of the sum of 74 and 23, if each number is rounded to the nearest ten BEFORE adding?
90
300
The pictograph shows the number of pens sold in the last 5 days in a store (see graph on page 54 number 33). How many fewer pens were sold on Monday than on Tuesday, Wednesday, and Thursday combined?
40 fewer pens were sold on Monday because 80-40=40
400
The expression 3x5x4 represents the total number of oranges Ella used to make 4 pitchers of orange juice. How many oranges did she use to make each pitcher of juice?
15 oranges because 3x5x4=60 and 60 ÷ 4 (pitchers)= 15 oranges
400
Which point on the number line represents a fraction equivalent to 1/4? (See image on page 59 number 42)
Point B
400
A traffic count showed that 423 cars drove through an intersection on Monday and 458 cars drove through the same intersection on Tuesday. What is the total number of cars to drive through the intersection rounded to the nearest hundred?
900 cars
400
The clocks below show when Blake's soccer practice started and ended. How long was Blake's soccer practice? See page 56 number 37.
53 minutes because it started at 2:45 and ended at 3:38.
500
Martina has 4 boxes of cards. Each box has 70 cards in it. How many cards does Martina have in all?
280 cards because 4 x 70 = 280
500
The shaded area of each rectangle can be represented by a fraction. (See image on page 59 number 43). Which statement correctly compares the two fractions?
1/6 < 1/4
500
Mr. Bender got a new desk. It is 9 feet long and 7 feet wide. What is the perimeter of Mr. Bender's desk?
perimeter = 32 feet
500
What is the best estimate of the sum of 54 and 33, if each number is rounded to the nearest 10 before adding?
80
500
The bar graph shows the number of cans of food collected during the third grade canned food drive each year. (See graph on page 58 number 40). How many more cans of food were collected in 2008 than in 2010?