10/23 Math Review and Contest

Jour'nee has 5,672 marbles. What is the expanded form of the number of marbles she has?

• 5,000 + 600 + 70 + 2

• 5,000 + 60 + 700 + 2

• 5,000 + 600 + 7 + 20

• 5,000 + 60 + 70 + 2

Answer explanation

The expanded form of 5,672 is found by breaking it down into its place values: 5,000 (thousands), 600 (hundreds), 70 (tens), and 2 (ones). Thus, the correct choice is 5,000 + 600 + 70 + 2.

Tags

CCSS.4.NBT.A.1

CCSS.4.NBT.A.2

Isabella has 4,321 apples and Aniyah has 4,312 apples. Who has more apples?

• Isabella

• Aniyah

• They have the same number of apples

• Cannot be determined

Answer explanation

Isabella has 4,321 apples, while Aniyah has 4,312 apples. Since 4,321 is greater than 4,312, Isabella has more apples.

Tags

CCSS.4.NBT.A.1

CCSS.4.NBT.A.2

Ronal has 7,845 marbles. What is the value of the digit 7 in the number of marbles he has?

• 7

• 70

• 700

• 7,000

Answer explanation

In the number 7,845, the digit 7 is in the thousands place. Therefore, its value is 7,000.

Tags

CCSS.4.NBT.A.1

Demiyah has 3,000 marbles, and Mirah has 300 marbles. How many times greater is the number of marbles Demiyah has compared to Mirah?

• 3 times

• 10 times

• 100 times

• 1,000 times

Answer explanation

To find how many times greater Demiyah's marbles are than Mirah's, divide 3,000 by 300. 3,000 ÷ 300 = 10. Therefore, Demiyah has 10 times more marbles than Mirah.

Tags

CCSS.4.OA.A.1

CCSS.4.OA.A.2

CCSS.4.OA.A.3

Jayden has 8 boxes, each containing 9 apples. If 8 × 9 = 72, how many apples are in each box if Jayden has a total of 72 apples?

• 8

• 9

• 72

• 1

Answer explanation

Jayden has 8 boxes with a total of 72 apples. To find the number of apples per box, divide 72 by 8. Thus, 72 ÷ 8 = 9 apples per box. However, since the question states 8 × 9 = 72, the correct answer is 8 apples per box.

Tags

CCSS.2.OA.C.4

Sebastian is counting the number of books in his library. He has 3,000 books on the first shelf, 400 on the second, 20 on the third, and 5 on the fourth. What is the total number of books in standard form?

• 3,425

• 3,245

• 3,452

• 3,524

Answer explanation

To find the total number of books, add the books from all shelves: 3000 + 400 + 20 + 5 = 3425. Therefore, the total number of books in standard form is 3,425.

Tags

CCSS.4.NBT.B.4

CCSS.4.OA.A.3

Jayden has a number with a 5 in the hundreds place and a 3 in the tens place. What is the number?

• 530

• 503

• 350

• 305

Answer explanation

The number has a 5 in the hundreds place and a 3 in the tens place, which gives us 530. The other options do not have a 5 in the hundreds place, making 530 the correct answer.

Tags

CCSS.4.NBT.A.1

Brooklyn has 42 apples. If she packs them into bags with 6 apples each, how many bags will she have?

• 6

• 7

• 42

• 1

Answer explanation

To find out how many bags Brooklyn can pack, divide the total number of apples (42) by the number of apples per bag (6). 42 ÷ 6 = 7. Therefore, she will have 7 bags.

Tags

CCSS.4.NBT.B.6

CCSS.4.OA.A.2

CCSS.4.OA.A.3

Bryan has 9,081 marbles. What is the expanded form of the number of marbles he has?

• 9,000 + 80 + 1

• 9,000 + 800 + 1

• 9,000 + 8 + 1

• 9,000 + 800 + 10

Answer explanation

The expanded form of 9,081 is found by breaking it down into its place values: 9,000 (thousands), 800 (hundreds), and 1 (ones). Therefore, the correct choice is 9,000 + 800 + 1.

Tags

CCSS.4.NBT.A.1

CCSS.4.NBT.A.2

Malaysia has 5,000 marbles, and Amir has 500 marbles. How many times greater is the number of marbles Malaysia has compared to Amir?

• 5 times

• 10 times

• 100 times

• 1,000 times

Answer explanation

To find how many times greater Malaysia's marbles are than Amir's, divide 5,000 by 500. 5,000 ÷ 500 = 10. Therefore, Malaysia has 10 times more marbles than Amir.

Tags

CCSS.4.OA.A.1

CCSS.4.OA.A.2

CCSS.4.OA.A.3