Number and Operations in Base Ten
Round the following number to the nearest HUNDRED: 1,754
1,800
A farmer sells containers of strawberries that weigh 2 pounds each. In one day, the farmer sells 9 containers of strawberries. How many total pounds of strawberries did the farmer sell in one day?
18 pounds
If 12 ÷ ▲ = 6, what is the missing factor?
2
Consider the equation.
8 × 5 = ____
A student claims that the missing number is 40. Is the student correct or incorrect, and why?
The student is correct because 8 groups of 5 is equal to 40. (Students may explain using a variety of strategies.)
On Thursday and Friday, the family drives a total of 526 miles. What is 526 rounded to the nearest ten?
530
Round the following number to the nearest TEN: 1,825
1,830
A market sells cartons of eggs with 6 eggs in each carton. A shopper buys 3 cartons of eggs. How many eggs did the shopper buy?
18 eggs
A coach brings 8 packs of water to practice. Each pack contains 3 bottles of water.
Which statement about the number of water bottles, b, the coach brings is true?
A. The equation 8 × 3 = b can be used to find that the coach brings 24 water bottles.
B. The equation 8 ÷ b = 3 can be used to find that the coach brings 24 water bottles.
C. The equation 3 + 8 = b can be used to find that the coach brings 11 water bottles.
D. The equation b − 8 = 3 can be used to find that the coach brings 11 water bottles.
A. The equation 8 × 3 = b can be used to find that the coach brings 24 water bottles.
Which grouping represents the product 24?
A. 4 groups with 10 objects in each group
B. 4 groups with 20 objects in each group
C. 3 groups with 8 objects in each group
D. 6 groups with 3 objects in each group
C. 3 groups with 8 objects in each group
Consider the equation.
▲ ÷ 8 = 5
Which equation has the same missing number?
A. 8 ÷ ▲ = 5
B. 8 ÷ 5 = ▲
C. 5 × ▲ = 8
D. 5 × 8 = ▲
D. 5 × 8 = ▲
What is the sum of 274 and 408 ?
682
Which statement is true about the equation 24 ÷ 4 = 6?
A. There are 24 items in each of the 4 equal groups.
B. There are 24 items in each of the 6 equal groups.
C. There are 4 items in each of the 6 equal groups.
D. There are 6 items in each of the 24 equal groups.
C. There are 4 items in each of the 6 equal groups.
Consider the equation.
48 ÷ ____ = 8
What is the unknown number that makes the equation true?
6
A pet store has 27 fish. If only 3 fish can live in a tank, how many tanks does the pet store need?
9 fish tanks
A box of protein bars contains 18 bars. The box has an equal amount of 2 different types of protein bars.
Which equation can be used to find how many of each type of protein bar, g, are in the box?
A. 18 ÷ 2 = g
B. 18 − 2 = g
C. 18 + 2 = g
D. 18 × 2 = g
A. 18 ÷ 2 = g
Hector and Sasha compete in a jump rope contest. Hector completes 153 jumps before he trips.
Sasha completes 29 more jumps than Hector before she trips.
How many jumps does Sasha complete?
182 jumps
Which situation represents the expression 8 × 4?
A. There are 8 cars in a parking lot. Then 4 more cars park. How many total cars are in the parking lot?
B. There are 8 cars in a parking lot. There are 4 cars in each row. How many rows are there?
C. There are 8 cars in a parking lot. Then 4 cars leave. How many cars are in the parking lot now?
D. There are 8 cars in a parking lot. Each car has 4 tires. How many total tires are in the parking lot?
D. There are 8 cars in a parking lot. Each car has 4 tires. How many total tires are in the parking lot?
Which equations have the same missing number?
A. ∎ ÷ 7 = 8 and 56 − ∎ = 8
B. 56 ÷ ∎ = 8 and 56 − ∎ = 8
C. 56 ÷ ∎ = 8 and 8 × ∎ = 56
D. ∎ ÷ 7 = 8 and ∎ × 8 = 56
C. 56 ÷ ∎ = 8 and 8 × ∎ = 56
A library checks out 764 books in a day. How many books does the library check out rounded to the nearest TEN?
About 760 books
Study the equation.
32 ÷ 4 = ♦
Which statement is correct?
A. The missing value in the equation is 28 because 8 becomes 32 when added to 4.
B. The missing value in the equation is 28 because 8 becomes 32 when multiplied by 4.
C. The missing value in the equation is 8 because 8 becomes 32 when added to 4.
D. The missing value in the equation is 8 because 8 becomes 32 when multiplied by 4.
D. The missing value in the equation is 8 because 8 becomes 32 when multiplied by 4.
A blue whale calf is 281 inches long. The calf’s mom is 960 inches long.
How much longer, in inches, is the mom than the calf?
679 inches
A tennis player buys 3 cans of tennis balls. Each can contains 3 tennis balls.
Which statement explains how many tennis balls the tennis player buys?
A. The tennis player buys 6 tennis balls because 3 + 3 = 6.
B. The tennis player buys 6 tennis balls because 3 × 3 = 6.
C. The tennis player buys 9 tennis balls because 3 + 3 = 9.
D. The tennis player buys 9 tennis balls because 3 × 3 = 9.
D. The tennis player buys 9 tennis balls because 3 × 3 = 9.
Which equations have the same missing number?
A. ∎ ÷ 6 = 8 and 48 − ∎ = 8
B. 48 ÷ ∎ = 8 and 48 − ∎ = 8
C. 48 ÷ ∎ = 8 and 8 × ∎ = 48
D. ∎ ÷ 7 = 8 and ∎ × 8 = 48
C. 48 ÷ ∎ = 8 and 8 × ∎ = 48
$560
At an airport, 36 planes land in 4 hours. If the same number of planes land each hour, how many planes land each hour?
9 planes