So you think you’re ready? Well, let’s see if it’s Skill or Luck.
Level:
Category:
Multiplying by 25
__ × 25
Beginner
Multiplication
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Multiplying by 11
__ × 11
Beginner
Multiplication
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Multiplying by 50
__ × 50
Beginner
Multiplication
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Triangular Numbers
nth Triangular Number
Beginner
Polygonal Numbers
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Squaring a 3-digit Number with a 0 in the Tens Place
(x0y)2
Beginner
Multiplication
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Multiplying Numbers Near 100 But Greater than 100
1__ × 1__
Beginner
Multiplication
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FOILing
__ × __
Beginner
Multiplication
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Estimating Square Roots
√x
Advanced
Square Roots
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# of Positive Integral Divisors
d(N) Divisors
Beginner
Division
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Remainders when Dividing by 3
x/3=R
Beginner
Division
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Sum of Squares (x & 3x)
x2 + (3x)2
Beginner
Addition
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