AP 5th Maths Workbook Unit 1 My Number World Answers and Solutions Download [2026-27]

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AP 5th Maths Workbook Unit 1 My Number World Answers and Solutions Download [2026-27]

Worksheet - 1: My Number World (నా సంఖ్యా ప్రపంచం) by APTEACHERS.IN

Sub Topic: Lakhs

I) Do the following

1) Let's try different forms for 1,00,000 (one-lakh):

• Ones: 1,00,000
• Tens: 10,000
• Hundreds: 1,000
• Thousands: 100
• Ten Thousands: 10
• Lakh: 1

2) Write the following numbers in words:

• a) 5,27,694: Five lakh twenty-seven thousand six hundred and ninety-four
• b) 4,61,000: Four lakh sixty-one thousand

II) Write the numeral form for the following numbers

• 1) Two lakh forty-five thousand six hundred and twenty-five: 2,45,625
• 2) Nine lakh twenty-three thousand five hundred and one: 9,23,501

III) Write any four numbers between 10,000 and 1,00,000 each having 5 different digits

(Example given: 23,615)

• 1) 12,345
• 2) 34,567
• 3) 56,789
• 4) 87,654

IV) Observe the following pattern and fill the blanks

5,00,000,   4,50,000,   4,00,000,   [3,50,000],   [3,00,000],   [2,50,000],   [2,00,000],   1,50,000

Worksheet - 2: My Number World (నా సంఖ్యా ప్రపంచం)

Sub Topic: Ten Lakhs

I) Choose the correct answer

1. Which of the following number is ten lakhs?
Answer: B) 10,00,000

2. Tick (✓) the numbers greater than ten lakhs:

• 9,95,000
• 10,50,000 (✓)
• 10,00,000
• 12,00,000 (✓)

II) Fill in the blanks with suitable numbers

• 32,68,395 = 3 ten lakhs, 2 lakhs, 6 ten thousands, 8 thousands, 3 hundreds, 9 tens, 5 ones
• 47,38,263 = 4 ten lakhs, 7 lakhs, 3 ten thousands, 8 thousands, 2 hundreds, 6 tens, 3 ones

III) Write the following in standard form

• Fifty two lakh thirty four thousand three hundred and twenty nine: 52,34,329
• Seventy five lakh three thousand nine hundred and forty four: 75,03,944

IV) Do the following

Create a 7-digit number using digits 2, 5, 0, 8, 3, 9 and 1 (without repetition), and write in words:

• Number: 98,53,210
• Number in words: Ninety-eight lakh fifty-three thousand two hundred and ten

Worksheet - 3: My Number World (నా సంఖ్యా ప్రపంచం)

Sub Topic: Lakhs, Ten Lakhs

I) Observe the following numbers

Draw a circle around numbers in lakhs and a box around numbers in ten lakhs.

• 8,45,900: Lakhs (Circle)
• 99,78,321: Ten Lakhs (Box)
• 1,11,999: Lakhs (Circle)
• 77,23,968: Ten Lakhs (Box)
• 53,55,310: Ten Lakhs (Box)
• 88,88,888: Ten Lakhs (Box)
• 2,23,450: Lakhs (Circle)
• Note: 11,111, 6,567, and 456 are outside this range.

II) Form the smallest and biggest 8-digit numbers

Using digits: 1, 5, 3, 8, 6, 4, 0, 2 without repetition:

• Smallest number: 1,02,34,568
• Biggest number: 8,65,43,210

III) Fill in the blanks

• A) 1,00,000 + 50,000 + 6,000 + 300 + 70 + 0 = 1,56,370
• B) 50,00,000 + 2,00,000 + 70,00,000 + 800 + 50 + 4 = 52,70,854
• C) 30,00,00,000 + 3,00,00,000 + 30,00,000 + 3,00,000 + 300 + 30 + 3 = 33,33,333
• D) 9,00,00,000 + 9,000 + 9 = 9,09,009

IV) Put commas in correct places and write in words

• A) 8876450 → 88,76,450: Eighty-eight lakh seventy-six thousand four hundred and fifty
• B) 456789 → 4,56,789: Four lakh fifty-six thousand seven hundred and eighty-nine
• C) 123987 → 1,23,987: One lakh twenty-three thousand nine hundred and eighty-seven
• D) 6547840 → 65,47,840: Sixty-five lakh forty-seven thousand eight hundred and forty

Worksheet - 4: My Number World (నా సంఖ్యా ప్రపంచం)

Sub Topic: Crores, Ten Crores

I) Write the following numbers in words

• (a) 3,45,20,000: Three crore forty-five lakh twenty thousand
• (b) 1,23,45,678: One crore twenty-three lakh forty-five thousand six hundred and seventy-eight

II) Do the following

1. Write TRUE or FALSE:

• (a) 75 lakhs is greater than 1 crore. → FALSE
• (b) 1 crore is the smallest 8-digit number. → TRUE

2. Compare using <, > or =:

• (a) 1,00,00,000 > 78,00,000
• (b) 2,50,00,000 > 2,05,00,000
• (c) 8,00,256 < 80,00,256
• (d) 46,33,472 = 46,33,472

III) Fill in the blanks

• 9,99,999 + 1 = 10,00,000 (Ten Lakhs)
• 9,99,99,999 + 1 = 10,00,00,000 (Ten Crores)

IV) Choose the correct answer

The number whose digit in the Crores place is "8" and Ten Lakhs place is "0":
Answer: B) 8,00,76,541

Worksheet - 5: My Number World (నా సంఖ్యా ప్రపంచం)

Sub Topic: Population Analysis based on 2011 Census

1) Answer based on the Population table

• 1) Population of Andhra Pradesh state:
  In numbers: 4,93,86,799
  In words: Four crore ninety-three lakh eighty-six thousand seven hundred and ninety-nine
• 2) Names of states with a population above 5 crore:
  Tamil Nadu (7,21,47,030) and Karnataka (6,10,95,297)
• 3) Which state has the least population among the given states in the table?
  State Name: Chhattisgarh
  Population: 2,55,45,198
  In words: Two crore fifty-five lakh forty-five thousand one hundred and ninety-eight
• 4) Write True or False:
  (a) Tamil Nadu has the highest population. → TRUE
  (b) All the states given in the table have a population above 4 crores. → FALSE (Telangana and Chhattisgarh are below 4 crores)

Worksheet - 6 & 7: Number Forms & Abacus

I) Write the numbers in expanded forms

1) 42,45,321:
= (4 × 10,00,000) + (2 × 1,00,000) + (4 × 10,000) + (5 × 1,000) + (3 × 100) + (2 × 10) + (1 × 1)
= 40,00,000 + 2,00,000 + 40,000 + 5,000 + 300 + 20 + 1
= 4 ten lakh + 2 lakh + 4 ten thousand + 5 thousand + 3 hundred + 2 ten + 1 one

2) 47,83,65,371:
= (4 × 10,00,00,000) + (7 × 1,00,00,000) + (8 × 10,00,000) + (3 × 1,00,000) + (6 × 10,000) + (5 × 1,00,000...)
= 40,00,00,000 + 7,00,00,000 + 80,00,000 + 3,00,000 + 60,000 + 5,000 + 300 + 70 + 1
= 4 ten crore + 7 crore + 8 ten lakh + 3 lakh + 6 ten thousand + 5 thousand + 3 hundred + 7 ten + 1 one

II) Write the following in standard form

• a) 5 lakhs + 6 ten thousand + 3 hundred + 5 tens + 2 ones: 5,60,352
• b) 3,000 + 7,00,000 + 4,00,00,000 + 10 + 5 + 30,000: 4,07,33,015

III) Abacus Spike Calculation

• Standard Form: 52,51,41,315
• Number in words: Fifty-two crore fifty-one lakh forty-one thousand three hundred and fifteen

IV) Budget Decision (Tick the right statement)

A manager has a budget of ₹1,00,000. Model 1 costs ₹95,000.
Answer: (2) He can buy Model 1 and will have ₹5,000 left over. (✓)

Worksheet - 7: Place Value & Face Value

I) Write the Place, Place value and Face value for underlined digits

• 1) 7,042,635 (underlined 0): Place = Lakhs | Place Value = 0 | Face Value = 0
• 2) 40,73,35,536 (underlined 0): Place = Crores | Place Value = 0 | Face Value = 0

II) Difference and Sum of Place Value & Face Value

• 1) 2,14,37,113 (underlined 1 in ten lakhs place):
  Place Value = 10,00,000 | Face Value = 1
  Difference = 9,99,999 | Sum = 10,00,001
• 2) 48,94,37,686 (underlined 8 in tens place):
  Place Value = 80 | Face Value = 8
  Difference = 72 | Sum = 88

III) Arrange in Ascending and Descending orders

Ascending Order: 6,94,317 < 23,45,678 < 8,41,20,079 < 49,89,00,351 < 60,78,10,542 < 90,23,47,016

Descending Order: 90,23,47,016 > 60,78,10,542 > 49,89,00,351 > 8,41,20,079 > 23,45,678 > 6,94,317

IV) Multiple Choice

In which of the following numbers has the digit 5 in the lakhs place?
Answer: C) 25,01,437

Worksheet - 8: Conversion of Numbers (Million System)

I) Fill in the blanks (1 Million in many ways)

1 million = 1,000,000 ones = 100,000 tens = 10,000 hundreds = 1,000 thousands = 10 lakhs.

II) Fill in the blanks with correct numbers

• a) 1 million = 10 lakhs
• b) 10 crore = 100 million
• c) 10 millions = 100 lakhs
• d) 5 millions = 50 lakhs

III) Choose the correct answer

• 1) Which of the following is equal to 2 million?
  Answer: B) 20 lakhs
• 2) Which of the following number is smallest?
  Answer: D) 90 thousands (90,000)

IV) Which pair represents the same value?

Answer: B) 5 million and 50 lakhs

Worksheet - 9: Hindu-Arabic and International System

I) Form using commas

Number	Hindu-Arabic System	International System
820601208	82,06,01,208	820,601,208
500000000	50,00,00,000	500,000,000

III) Multiple Choice

6,25,40,000 in the International System:
Answer: A) 62,540,000

IV) Critical Thinking

Ravi says that Four crores seventy five lakhs and forty seven million five hundred thousand represent the same value. Is Ravi correct? or not?
Answer: Yes, Ravi is correct.
Reason: 4,75,00,000 (Four crores seventy-five lakhs) matches perfectly with 47,500,000 (Forty-seven million five hundred thousand).

Worksheet - 10: Roman Numbers

I) Write Roman numbers for Hindu-Arabic numbers

• 8 = VIII | 19 = XIX | 96 = XCVI
• 20 = XX | 69 = LXIX | 40 = XL
• 88 = LXXXVIII | 72 = LXXII | 33 = XXXIII

II) Write Hindu-Arabic numbers for Roman numerals

• XCIX = 99 | LXXXIV = 84 | XXIV = 24 | XXXVIII = 38

III) Compare using <, > or =

• 1) 50 = L
• 2) XXVI > XI
• 3) LXXIX > XXXIX

IV) Match the following

• 1) XLVI → c) 46
• 2) L → d) 50
• 3) LV → b) 55
• 4) LX → a) 60

Self Assessment (స్వీయ మదింపు) Answers

• I) Value of 7 in 3,47,62,819: Place value = 7,00,000 | Face value = 7
• II) True (✓) or False (X):
  A) 9,50,000 is greater than 10,00,000. → (X)
  B) One crore is equal to one million. → (X)
  C) In Roman system we never have more than 3 of the same symbol in a row. → (✓)
  D) One hundred thousands is equal to one lakh. → (✓)
• III) Roman Numerals: 49 = XLIX | 75 = LXXV | 100 = C | 33 = XXXIII
• IV) Hindu-Arabic from Roman: XC = 90 | LXXII = 72 | CXL = 140 | VIII = 8