3 Whole Numbers Elicit Warm-up We have learned about counting numbers 1, 2, 3, 4... and also their arithmetic operations. We can count the number of students in a class, the number of members in a family and so on. 1. Find the number of students in your class. 2. Count the number of teachers teaching in all the sections of Grade 6 in your school.. 3. What will the result be if all the answers given in a test are wrong? Will it be 1? 4. If you had two chocolates and you gave both to your siblings, how many chocolates will be left with you? 5. Why don't we use zero for counting numbers? Think about it. Learning Objectives In this chapter, you will learn about: • Introduction to whole numbers • Properties of whole numbers • Patterns in whole numbers Did you know that counting numbers only have meaning when refer to specific objects? We cannot give someone 6 by itself but we can give them 6 oranges, 6 pens or F 6, etc. 34 

Chapter Review MUITIPLE CHOICE QUESTIONS 1. How many whole numbers are smaller than 8? a. 7 8 FLUENCY 1-4 5-7 8-10 C. d .   0 2. The additive identity of whole number 1 is: a. 1 b. O C. 2 d. 3 3. is the only number that are simultaneously powers of both 2 and 3. a. 1 b. 0 4. The successor of the smallest whole number is: a. 1 b. 5 C. 2 d. 3 C. 0 d. 2 5. Find the successor of 8,06,998. a. 8,07,000 c. 8,06,999 b. 8,06,998 d. 8,06,997 6. Which of the following property is correct for the given arrangement of numbers? 291x (125 x 8) a. Associative property b. Closure property c. Commutative property d. Distributive property 7. Find the sum of the predecessors of 84,636 and 90,025. a. 1,74,662 c. 1,74,669 b. 1,74,661 d. 1,74,659 8. Find the pair of numbers which can be shown as square numbers. a. 2 × 2, 1 × 2 b. 2 × 2,3 × 3 c. 1x3,4 × 4 9. Which of the following is not a natural number? a. 8 × 6 ÷ 2 b. 3 x 4 - 4 x 3 c. 20 + 24 - 2 d. 2x3,4 × 2 d. 18 + 5 - 5 10. 64 × 12 + 64 × 14 a. 12 x (64 + 14) b. 64x (12 + 14) c. 14 x (64 + 12) d. 12 × (64 + 64) SUBJECT

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