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Delaware State Assessments · DeSSA · Math · Grades 3–8

Delaware DeSSA Math Practice Test: Grades 3–8

Build Delaware DeSSA Math readiness with five focused 10-question practice sets covering operations, fractions, decimals, measurement, data, geometry, ratios, patterns, and problem solving.

Delaware DeSSA Math practice sets

This Delaware DeSSA Math Practice Test page provides five short practice sets with 10 original multiple-choice questions each. The sets cover operations, place value, fractions, decimals, measurement, data, geometry, ratios, patterns, equations, and multi-step problem solving for Grades 3–8.

Skills covered

  • Place value, whole-number operations, division, multiplication, expanded form, comparison, and decimal multiplication
  • Equivalent fractions, mixed numbers, decimal comparison, fraction operations, estimation, and decimal addition and subtraction
  • Area, perimeter, volume, angle classification, line plots, data totals, coordinate grids, and missing angles
  • Ratios, number patterns, one-step equations, expressions, ordered pairs, proportional relationships, and tables
  • Multi-step problems using whole numbers, decimals, fractions, area, perimeter, graphs, patterns, and real-world contexts

How to use this page

Complete one 10-question set at a time. Write down your operations, label units, estimate when useful, 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 guidance, official DeSSA materials, accommodations, or testing policies.

For the Delaware assessment hub, visit Delaware State Assessments.

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Delaware DeSSA Math Practice Questions

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

Read each problem carefully, 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 9 units long and 4 units wide. What is its area?

Please select an answer first.

Correct answer: A

The correct answer is 36 square units.

  1. Read the problem: Identify the quantities, operation, relationship, or geometric information given in the problem.
  2. Show the strategy: Area is length times width: 9 times 4 equals 36 square units.
  3. Check the result: Choose the answer that matches the calculation and the context of the Delaware DeSSA math task.

Area is length times width: 9 times 4 equals 36 square units.

2. QuestionMultiple choice

What is the perimeter of a square with side length 6 inches?

Please select an answer first.

Correct answer: B

The correct answer is 24 inches.

  1. Read the problem: Identify the quantities, operation, relationship, or geometric information given in the problem.
  2. Show the strategy: A square has four equal sides, so 4 times 6 equals 24 inches.
  3. Check the result: Choose the answer that matches the calculation and the context of the Delaware DeSSA math task.

A square has four equal sides, so 4 times 6 equals 24 inches.

3. QuestionMultiple choice

A line plot shows 2, 3, 3, 4, and 8 as the data values. What is the mode?

Please select an answer first.

Correct answer: C

The correct answer is 3.

  1. Read the problem: Identify the quantities, operation, relationship, or geometric information given in the problem.
  2. Show the strategy: The value 3 appears twice, more than any other value.
  3. Check the result: Choose the answer that matches the calculation and the context of the Delaware DeSSA math task.

The value 3 appears twice, more than any other value.

4. QuestionMultiple choice

A water bottle holds 750 milliliters. How many milliliters do 4 bottles hold?

Please select an answer first.

Correct answer: D

The correct answer is 3,000 milliliters.

  1. Read the problem: Identify the quantities, operation, relationship, or geometric information given in the problem.
  2. Show the strategy: Multiplying 750 by 4 gives 3,000 milliliters.
  3. Check the result: Choose the answer that matches the calculation and the context of the Delaware DeSSA math task.

Multiplying 750 by 4 gives 3,000 milliliters.

5. QuestionMultiple choice

Which angle is greater than a right angle but less than a straight angle?

Please select an answer first.

Correct answer: A

The correct answer is Obtuse angle.

  1. Read the problem: Identify the quantities, operation, relationship, or geometric information given in the problem.
  2. Show the strategy: An obtuse angle measures more than 90 degrees and less than 180 degrees.
  3. Check the result: Choose the answer that matches the calculation and the context of the Delaware DeSSA math task.

An obtuse angle measures more than 90 degrees and less than 180 degrees.

6. QuestionMultiple choice

A rectangular garden has a perimeter of 30 meters and a length of 10 meters. What is its width?

Please select an answer first.

Correct answer: B

The correct answer is 5 meters.

  1. Read the problem: Identify the quantities, operation, relationship, or geometric information given in the problem.
  2. Show the strategy: The equation 2 times (10 + width) = 30 gives width 5 meters.
  3. Check the result: Choose the answer that matches the calculation and the context of the Delaware DeSSA math task.

The equation 2 times (10 + width) = 30 gives width 5 meters.

7. QuestionMultiple choice

A class survey records 12 votes for apples, 9 for bananas, and 15 for oranges. How many votes were recorded?

Please select an answer first.

Correct answer: C

The correct answer is 36.

  1. Read the problem: Identify the quantities, operation, relationship, or geometric information given in the problem.
  2. Show the strategy: Adding 12, 9, and 15 gives 36 votes.
  3. Check the result: Choose the answer that matches the calculation and the context of the Delaware DeSSA math task.

Adding 12, 9, and 15 gives 36 votes.

8. QuestionMultiple choice

A rectangular prism has length 3 units, width 2 units, and height 5 units. What is its volume?

Please select an answer first.

Correct answer: D

The correct answer is 30 cubic units.

  1. Read the problem: Identify the quantities, operation, relationship, or geometric information given in the problem.
  2. Show the strategy: Volume is length times width times height: 3 times 2 times 5 equals 30.
  3. Check the result: Choose the answer that matches the calculation and the context of the Delaware DeSSA math task.

Volume is length times width times height: 3 times 2 times 5 equals 30.

9. QuestionMultiple choice

Point A is at (2, 5) on a coordinate grid. What is its x-coordinate?

Please select an answer first.

Correct answer: A

The correct answer is 2.

  1. Read the problem: Identify the quantities, operation, relationship, or geometric information given in the problem.
  2. Show the strategy: The x-coordinate is the first number in an ordered pair.
  3. Check the result: Choose the answer that matches the calculation and the context of the Delaware DeSSA math task.

The x-coordinate is the first number in an ordered pair.

10. QuestionMultiple choice

A triangle has angles of 55 degrees and 65 degrees. What is the measure of its third angle?

Please select an answer first.

Correct answer: B

The correct answer is 60 degrees.

  1. Read the problem: Identify the quantities, operation, relationship, or geometric information given in the problem.
  2. Show the strategy: Triangle angles total 180 degrees, and 180 - 55 - 65 = 60.
  3. Check the result: Choose the answer that matches the calculation and the context of the Delaware DeSSA math task.

Triangle angles total 180 degrees, and 180 - 55 - 65 = 60.

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Frequently asked questions about Delaware DeSSA Math Practice

Which grades are covered?

This page is organized for Delaware DeSSA Math practice across Grades 3–8, with number, fraction, measurement, geometry, ratio, algebraic thinking, and problem-solving tasks.

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 questions?

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