Question

Practice Time
First guess the answer and then check it by calculating:

42 × 23 = _________
51 × 13 = _________
25 × 36 = _________
73 × 11 = _________
54 × 12 = _________
12 × 14 = _________

Answer 1

a)



Adding the number in the boxes:



So, 42 × 23 = 966

b)



Adding the number in the boxes:



So, 51 × 13 = 663

c)



Adding the number in the boxes:


So, 25 × 36 = 900

d)



Adding the numbers in the boxes:



So, 73 × 11 = 803

e)



Adding the number in the boxes:



So, 54 × 12 = 648

f)



Adding the number in the boxes:



So, 12 × 14 = 168