New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 6 Playing With Numbers Self Practice 3A Solution
(1)
(a) 1, 2, 3, 4, 6, 12
(b) 1, 2, 7, 14
(c) 1, 19
(d) 1, 3, 7, 21
(e) 1, 2, 3, 4, 6, 8, 12, 24
(f) 1, 23
(g) 1, 2, 3, 6, 7, 14, 21, 42
(h) 1, 5, 17, 85
(i) 1, 73
(j) 1, 2, 4, 23, 46, 92
(2)
(a) 2, 4, 6, 8, 10
(b) 4, 8, 12, 16, 20
(c) 6, 12, 18, 24, 30
(d) 9, 18, 27, 36, 45
(e) 10, 20, 30, 40, 50
(3) List of the multiples of 7 between 1 and 75 – 7, 14, 21, 28, 35, 42, 49, 56, 63, 70
(4) The all multiples of 9 up to 100 – 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99
(5)
(a) The ninth multiple of 75-9 × 75
= 675
(b) The multiples of 10 between 150 and 200 – 160, 170, 180, 190
(6) Addition Facts
Even + Even = Even, Example – 2+6=8
Odd + Odd = Even, Example – 3+5=8
Even + Odd = Odd, Example – 4+3=7
Multiplication Facts
Even Even = Even, Example – 24=8
Odd Odd = Odd, Example – 35=15
Even Odd = Even, Example – 25=10