Math Worksheet for 20-Year-Old Students

Instructions

1. Solve the questions in order. The problems begin with basic skills and become more challenging.
2. Show your work for questions 3, 4, 12, 13, 15, 16, and 19.
3. For multiple-choice questions, circle the correct answer.
4. Use the hints when you need help.
5. Try the optional challenge questions after completing the 20 core questions.

Helpful reminder: Read each problem carefully. Check whether you need to add, subtract, multiply, divide, compare, or find a pattern.

Part 1: Number Skills

1. Add: 7 + 8 = __

2. Subtract: 14 − 6 = __

3. Add: 23 + 19 = __

4. Subtract: 50 − 27 = __

5. Multiply: 6 × 4 = __

6. Divide: 35 ÷ 5 = __

7. Circle the greater number.

   48 or 84

8. In the number 572, what digit is in the tens place?

   Answer: __

9. Round 67 to the nearest ten.

   Answer: __

10. Complete the pattern.

    12, 17, 22, 27, __, __

Part 2: Everyday Math

11. Mia buys a snack for $5. She pays with a $10 bill. How much change should she receive?

    Answer: $__

12. There are 3 packs of pencils. Each pack has 8 pencils. How many pencils are there altogether?

    Number sentence: ____

    Answer: __ pencils

    Hint: Add 8 three times or multiply 3 × 8.

13. Four buses each carry 6 students. How many students are on the buses altogether?

    Number sentence: ____

    Answer: __ students

14. Which fraction means one-half? Circle the correct answer.

    1/3 2/4 3/5 4/6

15. A rectangular garden is 6 meters long and 3 meters wide. What is its perimeter?

    Hint: Add all four sides: 6 + 3 + 6 + 3.

    Answer: __ meters

16. A movie starts at 2:30 p.m. and lasts 45 minutes. What time does it end?

    Answer: __ p.m.

Part 3: Think and Explain

17. Circle all the even numbers.

    13 20 7 16 25 32

18. A student says that 37 + 28 = 55. Is the student correct? Explain how you know.

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19. A notebook costs $3. A student buys 4 notebooks and one pen that costs $2. How much does the student spend altogether?

    Number sentence: ____

    Answer: $__

20. Three numbers add up to 20. Two of the numbers are 8 and 5. What is the third number?

    Number sentence: ____

    Answer: __

Optional Challenge

A. A shop has 4 boxes with 6 markers in each box. The shop sells 9 markers. How many markers are left?

Answer: __ markers

B. Create two different addition sentences that equal 30.

Answer Key

1. 15
2. 8
3. 42
4. 23
5. 24
6. 7
7. 84
8. 7
9. 70
10. 32, 37
11. $5
12. 3 × 8 = 24; 24 pencils
13. 4 × 6 = 24; 24 students
14. 2/4
15. 18 meters
16. 3:15 p.m.
17. 20, 16, 32
18. No. The correct answer is 65. One way to check is to add 37 + 20 = 57, then add 8 more to get 65.
19. 4 × $3 = $12; $12 + $2 = $14; $14
20. 20 − 8 − 5 = 7; 7

Optional Challenge

A. 4 × 6 = 24; 24 − 9 = 15; 15 markers B. Answers will vary. Examples include 10 + 20 = 30 and 15 + 15 = 30.