Mathematics Quiz

James, Grace, and Jackson are playing a game of 'Number Expansion'. James picked the number 50,505. Can you help them write this number in expanded notation?

• (5x 10,000) + (5 × 1,000) + (5 × 100)

• (5×10,000)+(5×100)+ (5 × 1)

• (5×10)+(5×10)+(5×1)

• (5×10)+(5×100) + (5 × 1)

Tags

CCSS.4.NBT.A.2

Imagine it's the year 2001 and our friends Elijah, Anika, and Aria are on a trip to the beautiful country of Monaco. They discover that the population of Monaco is 31,842 people. Can you help them express this population in expanded notation?

• (3x 1,000) + (1x 100) + (8 x 100)+(4x 10) + (2x1)

• (3x 1,000) + (1x 1,000) + (8 x 100) + (4 × 10) + (2x1)

• (3x10,000)+(1 x 1,000) + (8 x 10)+(4x 10) + (2x1)

• (3x 10,000) + (1x 1,000) + (8 x 100)+(4x 10) + (2x1)

Tags

CCSS.4.NBT.A.2

Anika, Maya, and Daniel are on a treasure hunt. They found a clue that reads '2,871'. They believe it's a code and are trying to figure out what it could mean. Which of the following could be the correct interpretation of the clue?

• It's a secret code for '20,000+8,000 + 700 + 10'

• It's a secret code for '2,000+80+ 700 + 1'

• It's a secret code for '2,000+5+3+71'

• It's a secret code for '2,000 + 70+800+ 1'

Tags

CCSS.4.NBT.A.2

Sophia, James, and Rohan are on a virtual tour of the state of Tennessee. They learned that the total area of Tennessee is 42,146 square miles. They started a fun challenge to represent this number in a different way. Can you guess which sum is equivalent to 42,146?

• 4 ten thousands +2 thousands + 1 hundred + 46 ones

• 4 ten thousands + 2 thousands + 1 hundred + 46 tens

• 40,000+ 2,000 + 100+ 4+6

• 4,000+ 2,000+ 100+ 40+ 6

Tags

CCSS.4.NBT.A.2

In the magical year of 2010, the city of Eagle Lake was bustling with a population of 45,842 people. Hannah, Kai, and Rohan are on a mission to represent this population in expanded notation. Can you help them solve this mystery?

• (4 × 1,000) + (5 × 100) + (8 × 100) + (4 × 10) + (2× 1)

• (4 x 1,000) + (5 × 1,000) + (8 × 100) + (4 × 10)+(2×1)

• (4 x 10,000) + (5 × 1,000) + (8 × 10)+(4 × 10) + (2× 1)

• (4x 10,000) + (5 x 1,000) + (8 x 100)+(4 × 10) + (2x 1)

Tags

CCSS.4.NBT.A.2

Grace, Liam, and Evelyn are on a treasure hunt. They found a mysterious note that says '50,602' and they believe it's a clue. Can you help them decode this number into expanded notation?

• (5 x 10,000) + (6 × 1,000) + (2 × 100)

• (5 x 10,000) + (6 x 100) + (2 x 1)

• (5x×10) + (6 x 10) + (2 × 1)

• (5x10,000) + (6 x 100) + (2 x 10)

Tags

CCSS.4.NBT.A.2

Aria, Hannah, and Samuel are playing a game of number riddles. Aria comes up with a tricky one and asks, 'Which expression is equivalent to the number 9,831?'

• 9 ten thousands +2 thousands + 1 hundred + 43 ones

• 9 ten thousands + 2 thousands +1 hundred + 46 tens

• 90,000+2,000+100+4+3

• 9,000+700+100+30 +1

Tags

CCSS.4.NBT.A.2

The total area of the state of Uthat is 92,143 square miles. Which sum is equivalent to 92,143?

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CCSS.5.NBT.A.2