Maths is Easy
Trick 1Square numbers ending in 585 x 85 = 7225Step 1 – Multiply the first digit by the first digit plus one: 8 x (8 + 1) = 72 Step 2 – Write the number 25 next to the number from the first step: 722545 x 45 = Ans 2025How this calculation find Step 1 – 4 x (4 + 1) = 20 Step 2 – 2025Ans 2025 so sample Trick 2Square numbers in the 50’s58 x 58 = 3364Step 1 – Add 25 to the ones digit: 25 + 8 = 33 Step 2 – Square the ones digit …