Students can download 4th Maths Term 1 Chapter 3 Patterns Ex 3.3 Questions and Answers, Notes, Samacheer Kalvi 4th Maths Guide Pdf helps you to revise the complete Tamilnadu State Board New Syllabus, helps students complete homework assignments and to score high marks in board exams.
Tamilnadu Samacheer Kalvi 4th Maths Solutions Term 1 Chapter 3 Patterns Ex 3.3
Question 1.
Circle the correct multiplication fact (by using method of casting out nine).
(a) 312 × 36 = 11232
(b) 723 × 24 = 17508
(c) 132 × 43 = 5676
Answer:
(c) 132 × 43 = 5676
132 × 43 = 5676
6 × 7 = 5 + 6 + 7 + 6
42 = 24
6 = 6
Question 2.
Circle the correct division fact (by using method of casting out nine).
(a) 728 ÷ 4 = 182
(b) 1580 ÷ 20 = 78
(c) 7785 ÷ 9 = 865
Answer:
(a) 728 ÷ 4 = 182
728 ÷ 4 = 182
8 ÷ 4 = 2
8 = 2 × 4
8 = 8
(b) 1580 ÷ 20 = 78
1 + 5 + 8 + 0 ÷ 2 + 0 = 7 = 8
14 ÷ 2 = 15
14 = 15 × 2 = 30
14 = 30
5 = 3
(c) 7785 ÷ 9 = 865
7 + 7 + 8 + 5 ÷ 0 = 8 + 6 + 5
27 ÷0 = 19
27 = 19 × 0
9 = 0
0 = 0