Math Worksheet for 20-Year-Old Students

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Instructions

  1. Solve each problem carefully and show your work when needed.
  2. For multiple-choice questions, circle the best answer.
  3. Use mental math, drawings, number lines, or written algorithms as helpful.
  4. Check whether your answer makes sense in the real-world situation.
  5. Complete the optional challenge questions if you finish early.

Helpful example: 24 + 18 = 42. You can add 20 + 10 = 30 and 4 + 8 = 12; then 30 + 12 = 42.

Section 1: Number Sense and Computation

  1. Write the number in expanded form:

    3,482 = __

  2. What is the value of the digit 7 in 5,761?

  3. Circle the greatest number.

    4,905  4,590  4,950  4,509

  4. Solve:

    236 + 487 = __

  5. Solve:

    900 − 368 = __

  6. Solve:

    24 × 6 = __

  7. Solve:

    96 ÷ 8 = __

  8. Match each expression to its answer by writing the correct letter.

    • A. 7 × 5
    • B. 54 ÷ 6
    • C. 38 + 27
    • D. 100 − 46

    65   35   9   54

Section 2: Fractions, Decimals, and Measurement

  1. Shade or mark 3 of the 4 equal parts below to represent 3/4.

    [  ] [  ] [  ] [  ]

  2. Circle the larger fraction.

    1/2  or  1/4

  3. Write 0.75 as a fraction with a denominator of 100.

  4. Add:

    2.40 + 1.35 = __

  5. A ribbon is 36 centimeters long. Mia cuts off 14 centimeters. How many centimeters remain?

    Equation: __

    Answer: __

  6. A recipe needs 2 cups of flour. You make half the recipe. How many cups of flour do you need?

Section 3: Real-World Math

  1. Jordan buys a notebook for $3.75 and a pen for $1.25. What is the total cost?

  2. You pay for the items in Question 15 with a $10 bill. How much change should you receive?

  3. A school bus holds 48 students. There are 3 buses filled equally. How many students are on each bus?

  4. A garden has 5 rows with 8 plants in each row. Then 6 more plants are added. How many plants are in the garden now?

    Show your work: __

    Answer: __

  5. A movie begins at 2:35 p.m. and lasts 1 hour and 45 minutes. What time does it end?

  6. Multi-step problem: A class collects 125 cans on Monday, 148 cans on Tuesday, and 97 cans on Wednesday. They place the cans equally into 5 boxes. How many cans go in each box?

    Step 1: Total cans = __

    Step 2: Cans in each box = ____

Optional Challenge

  • A store offers a $4 discount on a $28 backpack. The discounted price is then increased by $3 for a special feature. What is the final price?

  • Create your own two-step math problem involving money. Solve it and explain your steps.

    Problem: __

    Solution: _____

Reflection

Which strategy helped you most today: drawing a model, estimating, writing an equation, using mental math, or another strategy? Explain.

Answer Key

  1. 3,000 + 400 + 80 + 2
  2. 700
  3. 4,950
  4. 723
  5. 532
  6. 144
  7. 12
  8. 65 = C, 35 = A, 9 = B, 54 = D
  9. Three of the four equal parts should be shaded or marked.
  10. 1/2
  11. 75/100
  12. 3.75
  13. 36 − 14 = 22 centimeters
  14. 1 cup
  15. $3.75 + $1.25 = $5.00
  16. $10.00 − $5.00 = $5.00
  17. 48 ÷ 3 = 16 students
  18. 5 × 8 = 40; 40 + 6 = 46 plants
  19. 4:20 p.m.
  20. Step 1: 125 + 148 + 97 = 370 cans. Step 2: 370 ÷ 5 = 74 cans per box.

Optional Challenge Answers:

  • $28 − $4 = $24; $24 + $3 = $27
  • Answers will vary. The problem should involve two steps, and the solution should correctly show both steps.
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