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Step 1
Subtract the number
from 50.
Step 2
Subtract the result (from
Step 1) from 25.
Step 3
Square the result from
Step 1 (if the result is a
single digit, put a 0 in
front of it)
Step 4
Place the result from Step
3 next to the result from
Step 2.
EXAMPLE #
01:
482
Step 1. Subtract the number from 50.
50 – 48 = 2
Step 2. Subtract the result (from Step 1) from 25.
25 – 2 = 23
Step 3. Square the result from Step 1 (if the result
is a single digit, put a 0 in front of it)
22 = 04
Step 4.Place the result from Step 3 next to the
result from Step 2.
23_04 = 2304
Answer: 482 = 2304
EXAMPLE #
02: 422
Step 1. Subtract the number from 50.
50 – 42 = 8
Step 2. Subtract the result (from Step 1) from 25.
25 – 8 = 17
Step 3. Square the result from Step 1 (if the result
is a single digit, put a 0 in front of it)
82 = 64
Step 4.Place the result from Step 3 next to the
result from Step 2.
17_64 = 1764
Answer: 422 = 1764
Step 1
Add the ones digit to
25.
Step 2
Square the ones digit (if
the result is a single digit,
put a 0 in front of it)
Step 3
Place the result from Step
2 next to the result from
Step 1.
EXAMPLE #
01:
532
Step 1. Add the ones digit to 25.
25 + 3 = 28
Step 2. Square the ones digit (if the result is a
single digit, put a 0 in front of it)
32 = 09
Step 3. Place the result from Step 2 next to the
result from Step 1.
28_09 = 2809
Answer: 532 = 2809
EXAMPLE #
01:
582
Step 1. Add the ones digit to 25.
25 + 8 = 33
Step 2. Square the ones digit (if the result is a
single digit, put a 0 in front of it)
82 = 64
Step 3. Place the result from Step 2 next to the
result from Step 1.
33_64 = 3364
Answer: 582 = 3364
QUIZ.pptx (In ½
crosswise)

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Squaring (Shortcut)

  • 1.
  • 2. Step 1 Subtract the number from 50. Step 2 Subtract the result (from Step 1) from 25. Step 3 Square the result from Step 1 (if the result is a single digit, put a 0 in front of it) Step 4 Place the result from Step 3 next to the result from Step 2.
  • 3. EXAMPLE # 01: 482 Step 1. Subtract the number from 50. 50 – 48 = 2 Step 2. Subtract the result (from Step 1) from 25. 25 – 2 = 23 Step 3. Square the result from Step 1 (if the result is a single digit, put a 0 in front of it) 22 = 04 Step 4.Place the result from Step 3 next to the result from Step 2. 23_04 = 2304 Answer: 482 = 2304
  • 4. EXAMPLE # 02: 422 Step 1. Subtract the number from 50. 50 – 42 = 8 Step 2. Subtract the result (from Step 1) from 25. 25 – 8 = 17 Step 3. Square the result from Step 1 (if the result is a single digit, put a 0 in front of it) 82 = 64 Step 4.Place the result from Step 3 next to the result from Step 2. 17_64 = 1764 Answer: 422 = 1764
  • 5.
  • 6.
  • 7.
  • 8.
  • 9. Step 1 Add the ones digit to 25. Step 2 Square the ones digit (if the result is a single digit, put a 0 in front of it) Step 3 Place the result from Step 2 next to the result from Step 1.
  • 10. EXAMPLE # 01: 532 Step 1. Add the ones digit to 25. 25 + 3 = 28 Step 2. Square the ones digit (if the result is a single digit, put a 0 in front of it) 32 = 09 Step 3. Place the result from Step 2 next to the result from Step 1. 28_09 = 2809 Answer: 532 = 2809
  • 11. EXAMPLE # 01: 582 Step 1. Add the ones digit to 25. 25 + 8 = 33 Step 2. Square the ones digit (if the result is a single digit, put a 0 in front of it) 82 = 64 Step 3. Place the result from Step 2 next to the result from Step 1. 33_64 = 3364 Answer: 582 = 3364
  • 12.
  • 13.
  • 14.