Content Overview
DeltaMath has 1900+ skills that cover mathematics content from 6th-12th grade. Our content includes a variety of interactive features and student response types which enable teachers to effectively scaffold and differentiate concepts to meet the needs of all students.
Types of Skills
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Standard Skill In a standard skillstudents enter a text response. This could include a numerical valueexpressionequationetc. The answer will be marked as either correct or incorrect. |
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Guided Skill In a guided skillstudents are given prompts to guide them through the content and build conceptual understanding. Typicallythere are multiple steps to completeand if a student submits an incorrect intermediate stepa “notice” will appear with a hint about what to do next. |
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Graphing Skills In a graphing skillstudents can interactively plot pointsgraph linesshade inequalitiescreate and manipulate geometric figuresand so much more. |
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Timed Skills In a timed skillstudents improve fluency by practicing their accuracy against a timer. These skills can consist of foundational skillssuch as multiplying and dividing integersor more complex skillssuch as the composition of functions. |
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Discovery Skills In a discovery skillstudents can discover and observe how different algebraic transformations visually affect geometric figures and graphs. |
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Geometric Proofs In a geometric proofstudents complete a step-by-step proof. They might be asked to type in text response boxes to provide statementsor justify their statements using drop-down menus for their reasons. |
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Geometric Construction In geometric constructionsstudents use an interactive straightedge and compass to perform Euclidean constructionsfrom segment and angle bisectors to inscribed hexagons. |
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So much more! You can use the various search features (described below) to find the content that will best meet your students' needs. |
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Search by Topic
| The default view of your DeltaMath teacher homepage shows our content sorted by Year/Topic. |  |
| Use the “Year” drop-down menu to filter the content by grade level. Select which grade level(s) you would like to view by checking or unchecking any number of grades from the list. |  |
| You can further filter by typing a key word in the “Search” box. This will show you any content we have with that key word in the skill titleorganized by year and topicfor the grades you have selected. |  |
| Note: Our search feature is very precise. To see the most resultstry searching for root words and avoid using prefixes and suffixes in your search terms. For examplesearch for "factor" instead of "factoring." |
Search by Standard PLUS | INTEGRAL
| Content can also be sorted by state standard (50 statesDCand Canada). Select the “Sort By” drop-down menu and choose “Standards.” |  |
| Nextuse the “State/Province” and “Course” drop-downs to refine your search. |  |
Recently Added
| We are continuously creating new content for our teachers. To see our most recent contentselect the “Sort By” drop-down menu and choose “Recently Added.” |  |
| You will see a list of recently-created skills by date. We are constantly working to add additional content piecesso be on the lookout! |  |
Skill Information
Select the 
icon next to any skill to see relevant use statistics. The data displayed is based on every problem solved within that skillall time.
Average time to solve - The average time it takes a student to answer a question in this skill.
Accuracy - The historical accuracy rate of every question answered in this skill. In the example above12,774,168 questions have been answered correctly out of 15,840,917 totalan accuracy rate of 80.6%.
Easiest Problem - The historical accuracy rate of the “easiest” question in this skill. For the example abovethe “easiest” question has an accuracy rate of about 90%.
Median Problem - The historical accuracy rate of the “median” question in this skill. For the example abovethe “median” question has an accuracy rate of about 82%.
Hardest Problem - The historical accuracy rate of the “hardest” question in this skill. For the example abovethe “hardest” question has an accuracy rate of about 66%.
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