Math Mastery Worksheets

1. Basic Arithmetic (Grades 1-3)Addition and SubtractionWorksheet 1:

5 + 3 = ___12 – 7 = ___9 + 6 = ___15 – 4 = ___8 + 7 = ___20 – 13 = ___14 + 5 = ___18 – 9 = ___7 + 6 = ___16 – 8 = ___

Worksheet 2:

23 + 17 = ___45 – 28 = ___38 + 19 = ___56 – 34 = ___72 + 18 = ___90 – 45 = ___67 + 23 = ___82 – 38 = ___53 + 27 = ___74 – 29 = ___

2. Multiplication and Division (Grades 3-5)MultiplicationWorksheet 1:

4 x 3 = ___6 x 7 = ___5 x 9 = ___8 x 8 = ___7 x 6 = ___9 x 4 = ___3 x 5 = ___2 x 7 = ___6 x 6 = ___7 x 9 = ___

Worksheet 2:

12 x 11 = ___15 x 14 = ___13 x 13 = ___11 x 12 = ___14 x 9 = ___15 x 10 = ___12 x 15 = ___11 x 14 = ___13 x 12 = ___14 x 11 = ___

DivisionWorksheet 1:

12 ÷ 3 = ___18 ÷ 6 = ___24 ÷ 8 = ___35 ÷ 7 = ___45 ÷ 9 = ___28 ÷ 4 = ___54 ÷ 6 = ___36 ÷ 12 = ___49 ÷ 7 = ___81 ÷ 9 = ___

Worksheet 2:

144 ÷ 12 = ___180 ÷ 15 = ___169 ÷ 13 = ___132 ÷ 11 = ___126 ÷ 14 = ___150 ÷ 10 = ___165 ÷ 15 = ___154 ÷ 14 = ___156 ÷ 12 = ___198 ÷ 18 = ___

3. Fractions (Grades 4-6)Simplifying FractionsWorksheet 1:

Simplify: 4/8Simplify: 9/12Simplify: 15/20Simplify: 21/28Simplify: 32/40Simplify: 18/24Simplify: 25/35Simplify: 45/60Simplify: 27/36Simplify: 50/75

Adding and Subtracting FractionsWorksheet 2:

1/4 + 1/4 = ___3/8 + 1/8 = ___2/5 – 1/5 = ___7/10 + 2/10 = ___5/6 – 1/6 = ___3/4 + 1/2 = ___5/8 – 3/8 = ___7/12 + 5/12 = ___2/3 – 1/3 = ___5/9 + 2/9 = ___

4. Algebra (Grades 6-8)Solving for xWorksheet 1:

$x + 5 = 12$x+5=12$3x = 15$3x=15$x – 7 = 4$x−7=4$2x + 3 = 11$2x+3=11$4x – 5 = 15$4x−5=15$5x + 2 = 22$5x+2=22$3x – 4 = 11$3x−4=11$7x = 49$7x=49$2x + 4 = 10$2x+4=10$6x – 3 = 15$6x−3=15

Worksheet 2:

$x/2 + 3 = 10$x/2+3=10$5x – 4 = 21$5x−4=21$2x/3 = 8$2x/3=8$4(x + 2) = 20$4(x+2)=20$3(x – 1) = 9$3(x−1)=9$6x + 5 = 29$6x+5=29$7x/2 = 14$7x/2=14$2(x + 3) = 16$2(x+3)=16$3(x – 4) = 12$3(x−4)=12$5x – 3 = 2x + 12$5x−3=2x+12

5. Geometry (Grades 7-9)Area and PerimeterWorksheet 1:

Find the area and perimeter of a rectangle with length 8 cm and width 5 cm.Find the area and perimeter of a square with side length 6 cm.Find the area and circumference of a circle with radius 7 cm.Find the area and perimeter of a triangle with base 10 cm and height 5 cm.Find the area and perimeter of a parallelogram with base 12 cm and height 8 cm.Find the area of a trapezoid with bases 10 cm and 6 cm, and height 4 cm.Find the area and perimeter of a rhombus with diagonals 10 cm and 8 cm.Find the area of a sector of a circle with radius 9 cm and central angle 60°.Find the surface area of a cube with side length 5 cm.Find the volume of a rectangular prism with length 8 cm, width 4 cm, and height 6 cm.

6. Decimals (Grades 4-6)

Adding and Subtracting Decimals

Worksheet 1:

1. 4.5 + 3.2 = ___
2. 7.6 – 2.3 = ___
3. 1.25 + 3.75 = ___
4. 9.8 – 4.4 = ___
5. 12.5 + 5.75 = ___
6. 15.2 – 7.8 = ___
7. 3.14 + 2.86 = ___
8. 10.1 – 5.55 = ___
9. 7.65 + 2.35 = ___
10. 6.5 – 2.75 = ___

Multiplying and Dividing Decimals

Worksheet 2:

1. 3.2 x 4 = ___
2. 6.5 ÷ 2 = ___
3. 1.5 x 2.5 = ___
4. 9.75 ÷ 3 = ___
5. 7.8 x 2.1 = ___
6. 12.6 ÷ 3 = ___
7. 2.5 x 4.2 = ___
8. 8.4 ÷ 2 = ___
9. 5.5 x 3 = ___
10. 14.4 ÷ 4 = ___

7. Percentages (Grades 5-7)

Finding Percentages

Worksheet 1:

1. What is 20% of 50? ___
2. What is 15% of 80? ___
3. What is 10% of 120? ___
4. What is 25% of 200? ___
5. What is 30% of 150? ___
6. What is 50% of 90? ___
7. What is 75% of 160? ___
8. What is 5% of 60? ___
9. What is 40% of 250? ___
10. What is 35% of 180? ___

Percentage Increase and Decrease

Worksheet 2:

1. Increase 50 by 20%. ___
2. Decrease 80 by 15%. ___
3. Increase 120 by 10%. ___
4. Decrease 200 by 25%. ___
5. Increase 150 by 30%. ___
6. Decrease 90 by 50%. ___
7. Increase 160 by 75%. ___
8. Decrease 60 by 5%. ___
9. Increase 250 by 40%. ___
10. Decrease 180 by 35%. ___

8. Ratios and Proportions (Grades 6-8)

Ratios

Worksheet 1:

1. Simplify the ratio 8:12. ___
2. Simplify the ratio 15:20. ___
3. Simplify the ratio 24:36. ___
4. Simplify the ratio 30:45. ___
5. Simplify the ratio 18:27. ___
6. Simplify the ratio 16:24. ___
7. Simplify the ratio 25:35. ___
8. Simplify the ratio 21:28. ___
9. Simplify the ratio 14:42. ___
10. Simplify the ratio 9:18. ___

Proportions

Worksheet 2:

1. Solve for x: 23=x9\frac{2}{3} = \frac{x}{9}32​=9x​
2. Solve for x: 58=10x\frac{5}{8} = \frac{10}{x}85​=x10​
3. Solve for x: 34=9x\frac{3}{4} = \frac{9}{x}43​=x9​
4. Solve for x: 710=x20\frac{7}{10} = \frac{x}{20}107​=20x​
5. Solve for x: 65=18x\frac{6}{5} = \frac{18}{x}56​=x18​
6. Solve for x: 47=12x\frac{4}{7} = \frac{12}{x}74​=x12​
7. Solve for x: 911=x22\frac{9}{11} = \frac{x}{22}119​=22x​
8. Solve for x: 89=16x\frac{8}{9} = \frac{16}{x}98​=x16​
9. Solve for x: 56=x12\frac{5}{6} = \frac{x}{12}65​=12x​
10. Solve for x: 1015=x45\frac{10}{15} = \frac{x}{45}1510​=45x​

9. Integers (Grades 7-9)

Adding and Subtracting Integers

Worksheet 1:

1. 5 + (-3) = ___
2. -7 + 2 = ___
3. -4 – 6 = ___
4. 8 – (-5) = ___
5. -9 + 4 = ___
6. -10 – 3 = ___
7. 6 – (-2) = ___
8. -5 + (-7) = ___
9. 12 – 8 = ___
10. -15 + 10 = ___

Multiplying and Dividing Integers

Worksheet 2:

1. 4 x (-3) = ___
2. -6 x 5 = ___
3. -8 ÷ 2 = ___
4. 9 ÷ (-3) = ___
5. -7 x (-2) = ___
6. 10 ÷ (-5) = ___
7. -9 x 4 = ___
8. -12 ÷ 6 = ___
9. 7 x (-3) = ___
10. -15 ÷ 3 = ___

10. Probability and Statistics (Grades 8-10)

Basic Probability

Worksheet 1:

1. What is the probability of rolling a 3 on a six-sided die? ___
2. What is the probability of drawing a red card from a standard deck of cards? ___
3. What is the probability of flipping a coin and getting heads? ___
4. What is the probability of rolling an even number on a six-sided die? ___
5. What is the probability of drawing an ace from a standard deck of cards? ___
6. What is the probability of drawing a heart from a standard deck of cards? ___
7. What is the probability of rolling a number greater than 4 on a six-sided die? ___
8. What is the probability of drawing a face card from a standard deck of cards? ___
9. What is the probability of flipping a coin twice and getting two heads? ___
10. What is the probability of rolling a sum of 7 with two six-sided dice? ___

Descriptive Statistics

Worksheet 2:

1. Find the mean of the following set of numbers: 4, 8, 6, 5, 3, 7, 9.
2. Find the median of the following set of numbers: 12, 15, 10, 20, 25, 18, 14.
3. Find the mode of the following set of numbers: 3, 7, 3, 5, 9, 3, 8, 7.
4. Find the range of the following set of numbers: 25, 18, 30, 22, 27, 35, 28.
5. Find the mean of the following set of numbers: 14, 16, 12, 18, 20, 22, 15.
6. Find the median of the following set of numbers: 6, 9, 5, 11, 8, 7, 10.
7. Find the mode of the following set of numbers: 4, 5, 4, 6, 7, 5, 4.
8. Find the range of the following set of numbers: 40, 35, 50, 45, 55, 60, 42.
9. Find the mean of the following set of numbers: 20, 22, 18, 24, 26, 30, 28.
10. Find the median of the following set of numbers: 33, 38, 30, 35, 40, 45, 37.