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Math Laws
Math Facts
Area Calculations
Measurements
Math Multiplication
100

3s and 4s multiplication

3s:

  1. 3×1=3
  2. 3×2=6
  3. 3×3=9
  4. 3×4=12
  5. 3×5=15
  6. 3×6=18
  7. 3×7=21
  8. 3×8=24
  9. 3×9=27
  10. 3×10=30
  11. 3×11=33
  12. 3×12=36
  13. 3×13=39
  14. 3×14=42
  15. 3×15=45

4s:

  1. 4×1=4
  2. 4×2=8
  3. 4×3=12
  4. 4×4=16
  5. 4×5=20
  6. 4×6=24
  7. 4×7=28
  8. 4×8=32
  9. 4×9=36
  10. 4×10=40
  11. 4×11=44
  12. 4×12=48
  13. 4×13=52
  14. 4×14=56
  15. 4×15=60
100

2s multiplication

2s:

  1. 2×1=2
  2. 2×2=4
  3. 2×3=6
  4. 2×4=8
  5. 2×5=10
  6. 2×6=12
  7. 2×7=14
  8. 2×8=16
  9. 2×9=18
  10. 2×10=20
  11. 2×11=22
  12. 2×12=24
  13. 2×13=26
  14. 2×14=28
  15. 2×15=30
100

The Commutative Laws

The Commutative Law for addition states:
a + b = b + a

The Commutative Law for multiplication states:
a x b = b x a

100

Metric Measurements

10 millimeters (mm) =
1 centimeter (cm)

100 centimeters (cm) =
1 meter (m)

1,000 meters (m) =
1 kilometer (km)

100

1s multiplication

1s:

  1. 1×1=1
  2. 1×2=2
  3. 1×3=3
  4. 1×4=4
  5. 1×5=5
  6. 1×6=6
  7. 1×7=7
  8. 1×8=8
  9. 1×9=9
  10. 1×10=10
  11. 1×11=11
  12. 1×12=12
  13. 1×13=13
  14. 1×14=14
  15. 1×15=15
200

5s and 6s multiplication

5s:

  1. 5×1=5
  2. 5×2=10
  3. 5×3=15
  4. 5×4=20
  5. 5×5=25
  6. 5×6=30
  7. 5×7=35
  8. 5×8=40
  9. 5×9=45
  10. 5×10=50
  11. 5×11=55
  12. 5×12=60
  13. 5×13=65
  14. 5×14=70
  15. 5×15=75

6s:

  1. 6×1=6
  2. 6×2=12
  3. 6×3=18
  4. 6×4=24
  5. 6×5=30
  6. 6×6=36
  7. 6×7=42
  8. 6×8=48
  9. 6×9=54
  10. 6×10=60
  11. 6×11=66
  12. 6×12=72
  13. 6×13=78
  14. 6×14=84
  15. 6×15=90
200

7s and 8s multiplication

7s:

  1. 7×1=7
  2. 7×2=14
  3. 7×3=21
  4. 7×4=28
  5. 7×5=35
  6. 7×6=42
  7. 7×7=49
  8. 7×8=56
  9. 7×9=63
  10. 7×10=70
  11. 7×11=77
  12. 7×12=84
  13. 7×13=91
  14. 7×14=98
  15. 7×15=105

8s:

  1. 8×1=8
  2. 8×2=16
  3. 8×3=24
  4. 8×4=32
  5. 8×5=40
  6. 8×6=48
  7. 8×7=56
  8. 8×8=64
  9. 8×9=72
  10. 8×10=80
  11. 8×11=88
  12. 8×12=96
  13. 8×13=104
  14. 8×14=112
  15. 8×15=120
200

Area of a Square

The area of a square equals length of its side squared.
A = I2

200

Teaspoons and Tablespoons

3 teaspoons (tsp.) =
1 tablespoon (tbsp.)

2 tablespoons (tbsp.) =
1 fluid ounce (fl. oz.)

200

9s and 10s multiplication

  1. 9×1=9
  2. 9×2=18
  3. 9×3=27
  4. 9×4=36
  5. 9×5=45
  6. 9×6=54
  7. 9×7=63
  8. 9×8=72
  9. 9×9=81
  10. 9×10=90
  11. 9×11=99
  12. 9×12=108
  13. 9×13=117
  14. 9×14=126
  15. 9×15=135

10s:

  1. 10×1=10
  2. 10×2=20
  3. 10×3=30
  4. 10×4=40
  5. 10×5=50
  6. 10×6=60
  7. 10×7=70
  8. 10×8=80
  9. 10×9=90
  10. 10×10=100
  11. 10×11=110
  12. 10×12=120
  13. 10×13=130
  14. 10×14=140
  15. 10×15=150
300

The Distributive Law

What is a(b + c) = ab + ac

300

13s multiplication

  1. 13×1=13
  2. 13×2=26
  3. 13×3=39
  4. 13×4=52
  5. 13×5=65
  6. 13×6=78
  7. 13×7=91
  8. 13×8=104
  9. 13×9=117
  10. 13×10=130
  11. 13×11=143
  12. 13×12=156
  13. 13×13=169
  14. 13×14=182
  15. 13×15=195
300

Area of a Triangle

The area of a triangle equals one-half base times height.
A = 1/2 b h

300

Circumference of a Circle

The circumference of a circle equals two times pi (3.14) times the radius.
C = 2 π r 

300

11s and 12s multiplication

11s

  1. 11×1=11
  2. 11×2=22
  3. 11×3=33
  4. 11×4=44
  5. 11×5=55
  6. 11×6=66
  7. 11×7=77
  8. 11×8=88
  9. 11×9=99
  10. 11×10=110
  11. 11×11=121
  12. 11×12=132
  13. 11×13=143
  14. 11×14=154
  15. 11×15=165

12s

  1. 12×1=12
  2. 12×2=24
  3. 12×3=36
  4. 12×4=48
  5. 12×5=60
  6. 12×6=72
  7. 12×7=84
  8. 12×8=96
  9. 12×9=108
  10. 12×10=120
  11. 12×11=132
  12. 12×12=144
  13. 12×13=156
  14. 12×14=168
  15. 12×15=180
400

The Identity Laws

The Identity Law for addition states:
a + 0 = a

The Identity Law for multiplication states:
a x 1 = a

400

14s multiplication

  1. 14×1=14
  2. 14×2=28
  3. 14×3=42
  4. 14×4=56
  5. 14×5=70
  6. 14×6=84
  7. 14×7=98
  8. 14×8=112
  9. 14×9=126
  10. 14×10=140
  11. 14×11=154
  12. 14×12=168
  13. 14×13=182
  14. 14×14=196
  15. 14×15=210
400

Area of a Rectangle

The area of rectangle equals length times width.

A = l x w

400

Liquid Equivalents

8 fluid ounces (fl. oz.) = 1 cup (c.)
2 cups (c.) = 1 pint (pt.)
2 pints (pt.) = 1 quart (qt.)
4 quarts (qt.) = 1 gallon (gal.)

400

Math Squares

  1. 12=1
  2. 22=4
  3. 32=9
  4. 42=16
  5. 52=25
  6. 62=36
  7. 72=49
  8. 82=64
  9. 92=81
  10. 102=100
  11. 112=121
  12. 122=144
  13. 132=169
  14. 142=196
  15. 152=225
500

The Associative Laws

The Associative Law for addition states:
(a + b) + c = a + (b + c)

The Associative Law for multiplication states:
(a x b) x c = a x (b x c)

500

15s multiplication

  1. 15×1=15
  2. 15×2=30
  3. 15×3=45
  4. 15×4=60
  5. 15×5=75
  6. 15×6=90
  7. 15×7=105
  8. 15×8=120
  9. 15×9=135
  10. 15×10=150
  11. 15×11=165
  12. 15×12=180
  13. 15×13=195
  14. 15×14=210
  15. 15×15=225
500

Area of a Circle

The area of a circle equals
pi (3.14) times
the radius squared.
A =  π r2

500

Linear Equivalents

2.54 centimeters (cm) = 1 inch (in.)
12 inches (in.) = 1 foot (ft.)
5,280 feet (ft.) = 1 mile (mi.)
1 kilometer (km) = 5/8 mile (mi.)

500

Math Cubes

1 = 1x1x1
8 =2×2×2
27 =3×3×3
64 =4×4×4
125 =5×5×5
216 =6×6×6
343 =7×7×7
512 =8×8×8
729 =9×9×9
1000 =10×10×10
1331 =11×11×11
1728 =12×12×12
2197 =13×13×13
2744 =14×14×14
3375 =15×15×15