Large Numbers Adventure!

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Part 1: What can you do? (Page 22)

1 We can read large numbers.

Let's read the following numbers. Select the correct word form.

① The distance from the Sun to the Earth: 149,600,000 km

One million, four hundred ninety-six thousand One hundred forty-nine million, six hundred thousand Fourteen billion, nine hundred sixty million One hundred forty-nine billion, six hundred

② Total Budget of the Japanese Government (in 2021): 106,609,700,000,000 yen

One hundred six billion, six hundred nine million One trillion, sixty-six billion, ninety-seven million One hundred six trillion, six hundred nine billion, seven hundred million Ten trillion, six hundred sixty billion, nine hundred seventy million

2 We can compare the size of the numbers.

Let's fill in each box with an inequality sign.

19,860,124,700 98,600,124,700

7,049,082,513 7,049,802,513

3 We understand how large numbers work.

Fill in the blanks with the correct numbers or words. (Tip: You can type numerals like '1000' or words like '1 thousand')

① The number that gathers 10 sets of 10 million is .

The number that gathers 10 sets of 100 billion is .

② 100 million is sets of 10 thousand.

1 trillion is sets of 100 million.

③ The digit 7 in the number 72,000,000,000,000 represents 7 sets of .

④ The number that is 10 times 180 billion is .

⑤ The number that is 1/10 of 23 trillion is .

⑥ The number that gathers 20 sets of 10 trillion and 45 sets of 10 billion is .

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Part 2: Utilize (Page 23)

1 Let's read the following numbers.

① The Sun's diameter: 1,390,000,000 m

One billion, three hundred ninety million Thirteen billion, nine hundred million One hundred thirty-nine million One hundred thirty-nine billion

② Amount of rice produced in Japan (in 2020): 7,763,000,000 kg

Seventy-seven billion, six hundred thirty million Seven hundred seventy-six million, three hundred thousand Seven billion, seven hundred sixty-three million Seven trillion, seven hundred sixty-three billion

2 Let's fill in each box with a number or a word.

① The number 6 in 36,495,000,000 is in the value place.

② As for the number 465 billion, it is the number that gathers sets of 1 billion.

③ The number 1 trillion is equal to times 10 billion.

3 Let's write the following numbers in numerals.

(Write the digits! Commas are okay.)

① The number that is 100 times 340 million:

② The sum of 3 sets of 1 trillion and 48 sets of 100 million:

③ The number that gathers 58013 sets of 100 million:

4 Card Challenge!

Make numbers using ALL 14 cards: 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

① Largest number:

② Smallest number:

5 Calculations

Let's calculate! (You can write numbers or use words like 'million')

2,400,000,000 + 4,500,000,000

38,000,000,000,000 - 16,000,000,000,000

750,000 × 12

640,000 ÷ 8

38 billion 300 million + 42 billion 900 million

73 million 510 thousand - 3 million 960 thousand

5 million 260 thousand × 5

7 billion 200 million ÷ 8

🌟 Large Numbers Adventure! 🌟