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Delaware State Assessments · DeSSA-Alt · Math · Grades 3–8 and 11

Delaware DeSSA-Alt Math Practice Test

Build Delaware DeSSA-Alt Math readiness with five focused 10-question practice sets covering number sense, operations, algebra, geometry, measurement, data, probability, and daily problem solving.

Delaware DeSSA-Alt Math practice sets

This Delaware DeSSA-Alt Math Practice Test page provides five short practice sets with 10 original multiple-choice questions each. The sets use clear language and practical contexts to review operations, algebra, geometry, measurement, data, probability, and problem solving.

Skills covered

  • Number sense and operations: addition, subtraction, multiplication, division, fractions, decimals, money, percentages, and integers
  • Algebra and patterns: expressions, equations, sequences, tables, ratios, perimeter, and function machines
  • Geometry and measurement: area, angles, volume, symmetry, perimeter, circles, coordinates, triangles, and parallel sides
  • Data and probability: mean, mode, range, probability, charts, median, samples, likely outcomes, and graphs
  • Functional review: money, elapsed time, recipes, unit rates, discounts, temperature, percentages, missing dimensions, and sequence rules

How to use this page

Read one short math task at a time. Identify the operation, draw or imagine the shape, write the numbers, and review the explanation after each response.

This is supplemental State Test Practice, State Assessment Practice, and Standardized Test Practice. It does not replace current Delaware Department of Education, official DeSSA-Alt materials, accommodations, or testing policies.

For the Delaware assessment hub, visit Delaware State Assessments.

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3. Test

Delaware DeSSA-Alt Math Practice Questions

A 10-question Delaware DeSSA-Alt Math practice set on geometry and measurement, with answers and explanations.

Read each short math task carefully, identify the numbers or shape, choose one answer, and review the explanation after responding.

10 Questions
0/10 Questions0 %
Correct 0
Incorrect 0
Unanswered 10
1. QuestionMultiple choice

A rectangle is 5 units long and 4 units wide. What is its area?

Please select an answer first.

Correct answer: A

The correct answer is 20 square units.

  1. Read the quantities: Identify the numbers, operation, shape, pattern, or data relationship in the short math task.
  2. Solve the problem: Area equals length times width: 5 times 4 equals 20 square units.
  3. Check the answer: Choose the answer best supported by the Delaware DeSSA-Alt Math practice task.

Area equals length times width: 5 times 4 equals 20 square units.

2. QuestionMultiple choice

A triangle has angles of 60 degrees and 70 degrees. What is the third angle?

Please select an answer first.

Correct answer: B

The correct answer is 40 degrees.

  1. Read the quantities: Identify the numbers, operation, shape, pattern, or data relationship in the short math task.
  2. Solve the problem: Triangle angles total 180 degrees; 180 minus 60 minus 70 equals 50 degrees.
  3. Check the answer: Choose the answer best supported by the Delaware DeSSA-Alt Math practice task.

Triangle angles total 180 degrees; 180 minus 60 minus 70 equals 50 degrees.

3. QuestionMultiple choice

What is the volume of a cube with side length 3 units?

Please select an answer first.

Correct answer: C

The correct answer is 9 cubic units.

  1. Read the quantities: Identify the numbers, operation, shape, pattern, or data relationship in the short math task.
  2. Solve the problem: Cube volume is 3 times 3 times 3, which equals 27 cubic units.
  3. Check the answer: Choose the answer best supported by the Delaware DeSSA-Alt Math practice task.

Cube volume is 3 times 3 times 3, which equals 27 cubic units.

4. QuestionMultiple choice

How many lines of symmetry does a square have?

Please select an answer first.

Correct answer: D

The correct answer is 2.

  1. Read the quantities: Identify the numbers, operation, shape, pattern, or data relationship in the short math task.
  2. Solve the problem: A square has four lines of symmetry: two through opposite sides and two through opposite corners.
  3. Check the answer: Choose the answer best supported by the Delaware DeSSA-Alt Math practice task.

A square has four lines of symmetry: two through opposite sides and two through opposite corners.

5. QuestionMultiple choice

What is the measure of a right angle?

Please select an answer first.

Correct answer: A

The correct answer is 90 degrees.

  1. Read the quantities: Identify the numbers, operation, shape, pattern, or data relationship in the short math task.
  2. Solve the problem: A right angle measures 90 degrees.
  3. Check the answer: Choose the answer best supported by the Delaware DeSSA-Alt Math practice task.

A right angle measures 90 degrees.

6. QuestionMultiple choice

What is the perimeter of a rectangle with length 8 units and width 3 units?

Please select an answer first.

Correct answer: B

The correct answer is 16 units.

  1. Read the quantities: Identify the numbers, operation, shape, pattern, or data relationship in the short math task.
  2. Solve the problem: Perimeter equals 2 times length plus 2 times width: 16 plus 6 equals 22 units.
  3. Check the answer: Choose the answer best supported by the Delaware DeSSA-Alt Math practice task.

Perimeter equals 2 times length plus 2 times width: 16 plus 6 equals 22 units.

7. QuestionMultiple choice

A circle has a diameter of 10 units. Using pi, what is its circumference?

Please select an answer first.

Correct answer: C

The correct answer is 5 pi units.

  1. Read the quantities: Identify the numbers, operation, shape, pattern, or data relationship in the short math task.
  2. Solve the problem: Circumference equals pi times diameter, so it is 10 pi units.
  3. Check the answer: Choose the answer best supported by the Delaware DeSSA-Alt Math practice task.

Circumference equals pi times diameter, so it is 10 pi units.

8. QuestionMultiple choice

A point at (1, 2) moves 3 units to the right. What are the new coordinates?

Please select an answer first.

Correct answer: D

The correct answer is (1, 5).

  1. Read the quantities: Identify the numbers, operation, shape, pattern, or data relationship in the short math task.
  2. Solve the problem: Moving right changes the x-coordinate from 1 to 4 and keeps y equal to 2.
  3. Check the answer: Choose the answer best supported by the Delaware DeSSA-Alt Math practice task.

Moving right changes the x-coordinate from 1 to 4 and keeps y equal to 2.

9. QuestionMultiple choice

What is the area of a triangle with base 6 units and height 4 units?

Please select an answer first.

Correct answer: A

The correct answer is 12 square units.

  1. Read the quantities: Identify the numbers, operation, shape, pattern, or data relationship in the short math task.
  2. Solve the problem: Area equals one half times base times height: one half times 6 times 4 equals 12.
  3. Check the answer: Choose the answer best supported by the Delaware DeSSA-Alt Math practice task.

Area equals one half times base times height: one half times 6 times 4 equals 12.

10. QuestionMultiple choice

Which shape has two pairs of parallel sides?

Please select an answer first.

Correct answer: B

The correct answer is A triangle.

  1. Read the quantities: Identify the numbers, operation, shape, pattern, or data relationship in the short math task.
  2. Solve the problem: A rectangle has two pairs of opposite parallel sides.
  3. Check the answer: Choose the answer best supported by the Delaware DeSSA-Alt Math practice task.

A rectangle has two pairs of opposite parallel sides.

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Frequently asked questions about Delaware DeSSA-Alt Math Practice

Which grades are covered?

This page provides accessible Math practice across the Delaware DeSSA-Alt grade range listed for Grades 3–8 and 11.

How many questions are included?

There are five practice sets with 10 questions each, for 50 questions in total. Each set can be completed separately.

Are these official DeSSA-Alt questions?

No. These are original supplemental practice questions. Check the latest Delaware Department of Education and official DeSSA-Alt information for current materials, accommodations, and policies.