JKBOSE Class 3rd Math Chapter 2 (Fun with Numbers) complete solved exercises, textbook word problems, number sequences, and place value notes according to the latest Jammu & Kashmir Board curriculum.
📌 Key Concepts
- Counting & Comparison: Reading and writing 3-digit numbers up to 1000.
- Cricket Centuries: Understanding scores (Century = 100 runs, Half-century = 50 runs).
- Skip Counting: Counting forward and backward by 2s, 10s, and 50s.
- Place Value & Expansion: Breaking numbers into hundreds, tens, and ones.
Exercise Questions & Answers
Q1 Radhika, Gauri, Vicky, Indra, and Sunil were collecting Imli (tamarind) seeds:
• Indra collected 54 seeds, Sunil collected 38 seeds, Radhika collected 24 seeds, Gauri collected 47 seeds, and Vicky collected 42 seeds.
Fill in the blanks:
1. Indra collected the most seeds (54).
2. Sunil needs 16 more seeds to make 54 seeds (equal to Indra).
3. If Radhika gets 6 more seeds, she will have 30 seeds.
4. How many children have more than 40 seeds? 3 children (Vicky, Gauri, and Indra).
5. Gauri needs 3 more seeds to have 50 seeds.
Q2 Cricket World Cup Scores (Centuries Problem):
• Dhoni scored 96 runs and hit a 6 on the last ball. Did he complete his century?
Calculation: $96 + 6 = 102$ runs.
Answer: Yes, Dhoni completed his century because a century is 100 runs, and he scored 102 runs.
Q3 Fill in the Missing Number Patterns (Counting in 10s and 50s):
1. Counting in 10s: 110, 120, 130, 140, 150, 160, 170, 180, 190, 200
2. Counting backward in 10s: 310, 300, 290, 280, 270, 260, 250
3. Counting in 50s: 200, 250, 300, 350, 400, 450, 500, 550
Q4 Number Names & Expanded Form:
• 199: One hundred and ninety-nine ($100 + 90 + 9$)
• 206: Two hundred and six ($200 + 0 + 6$)
• 315: Three hundred and fifteen ($300 + 10 + 5$)
• 555: Five hundred and fifty-five ($500 + 50 + 5$)