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*Sample lesson only playable on desktops and laptops. Click to learn about our iPad app.
With a mathrack virtual manipulative, students learn that you can build the same number in several different ways, e.g. 10+3 = 7+6. Students can use a variety of strategies to solve these problems, including the commutative property (10+4 = 4+10), doubles or near doubles (10+4 = 7+7), and more.
Virtual tools push students beyond counting by ones to using groups of 2, 3, 5 and 10. After successfully building numbers, students are given more “restrictions,” like building numbers from a number other than 0.
First Grade
First Grade
*Sample lesson only playable on desktops and laptops. Click to learn about our iPad app.
Early learners often struggle to “wrap” or move to the next row on a hundreds chart. The distance between numbers can be hard to grasp. For example, the number 30 is just one space away from 40 on a hundreds chart.
Snap Blocks lessons let students build and evaluate expressions with multiple addends to build understanding of the equal sign. The difficulty is increased by the number of addends on each side of the equation.
Second Grade
Second Grade
*Sample lesson only playable on desktops and laptops. Click to learn about our iPad app.
Turn hard problems into “friendlier” problems by making one of the addends a multiple of 10. Students start with smaller 2-digit addends, and when they’re ready they use 3-digit addends. It’s an efficient mental math strategy.
Students visualize making jumps on a number line and use a variety of strategies for both addition and subtraction. Strategies include “Making Jumps of 10” (e.g. 79+33 = 79+10+10+10+3) and “Using Landmark Numbers” (e.g. 79+33 = 79+1+20+10+2).
Third Grade
Third Grade
*Sample lesson only playable on desktops and laptops. Click to learn about our iPad app.
Students create shapes with a specific side length, then measure the other sides using a ruler. They construct triangles, quadrilaterals, and polygons, and use a ruler to measure their sides.
In a series of activities, a given rectangle is covered using smaller rectangles. As grid lines are removed, students work with open arrays. As rectangles are moved, students explore ideas in multiplication: distributive, associative, and commutative properties.
A number line representation ensures students can compare and order fractions apart from any specific part-whole context. Students use landmark fractions and numbers to place fractions on number line from 0 to 1 and from 0 to 2.
Fourth Grade
Fourth Grade
*Sample lesson only playable on desktops and laptops. Click to learn about our iPad app.
Students create a specific type of triangle, utilizing knowledge from previous game set. Students construct different types of triangles, quadrilaterals, and polygons, using a ruler and protractor to measure side lengths and angles.
This lesson helps students think conceptually, not procedurally, about subtracting fractions by using the “removal” or “take away” strategy. This enables skill of subtracting mixed numbers and improper fractions fluently, mentally, and easily.
These lessons engage students in learning the standard algorithm as another approach to solving subtraction problems. A warehouse shipment example gives concrete place value connection to the steps in the algorithm, so students learn appropriate notation.
Fifth Grade
Fifth Grade
*Sample lesson only playable on desktops and laptops. Click to learn about our iPad app.
Students use the order of operations to evaluate expressions involving addition, subtraction, multiplication and division.
Place Value of Decimal Numbers to the Thousandths
Students learn to locate both positive and negative decimal numbers on a number line by “zooming in” and “zooming out” to a specific range using magnifying glasses that scale the number line by either 10 times or 100 times.
Sixth Grade
Sixth Grade
*Sample lesson only playable on desktops and laptops. Click to learn about our iPad app.
Students define and use a Cartesian coordinate grid to locate points and measure distances between points.
Students fluently simplify expressions involving exponents.
Seventh Grade
Seventh Grade
*Sample lesson only playable on desktops and laptops. Click to learn about our iPad app.
Students are given a shape with marked angles and side lengths, then asked to create a new shape using scale factor by constructing different types of triangles, quadrilaterals, regular polygons, and scaled polygons.
Students use the order of operations to evaluate integer expressions involving addition, subtraction, multiplication and division.
Students deepen understanding of angle measurement and rotation while fluently reasoning about and using supplementary and vertical angle relationships. Students use deductive reasoning to make rotations, aim for targets, and determine angle measurements.
Eighth Grade
Eighth Grade
*Sample lesson only playable on desktops and laptops. Click to learn about our iPad app.
Students interpret the equation y = mx+b as defining a linear function, whose graph is a straight line.
Students determine the rate of change from two (x,y) values, including reading these from table or from a graph.
Windows Data Recovery
Hard Drive Recovery
Office Recovery
Dead Computer Recovery
Other Data Recovery
Download Computer Software For Free
by Anna SherryUpdated on 2020-10-22 / Update for Data Recovery
Data loss is an unfortunate thing that happens to almost all digital device users at least once in your life. What basically happens is that you end-up losing all data you have stored on your devices. Unfortunately, not all devices offer you the option to recover data and therefore you have some free download data recovery software from third-party vendors in the market.
The main purpose of these data recovery software is to help you scan your drives and recover all possible data from them. They use special techniques to try to get all lost data back on your devices. If you have no idea about recovery software, free download, let's check out how you can get data recovery software for PC free. download full version.
Part 1. The Best Data Recovery Software free. download full Version
When it comes to data recovery software, the first thing you will want from any software is the higher chance of being able to recover your lost data. If a software cannot fulfill this expectation, it is out of the best data recovery software list straightaway. Fortunately, there is a software that fulfills this very aim of any data recovery software.
Meet Tenorshare 4DDiG, a data recovery software that allows you to recover the data that you have lost on PC, Mac or storage media regardless of how you lost them on your machine.
Recover pictures, videos, audio, emails, documents and up to 500 file types.
Recover files permanently deleted from Recycle Bin, files originally deleted using Shift + Delete keys bypassing Recycle Bin and files deleted from DOS prompt.
Recover data from Windows PC, laptops, hard drives and MacBook, iMac.
Retrieve files from formatted, lost, hidden or corrupted partitions.
Restore files from raw, damaged or crashed hard disk.
Supports data recovery from external storage device like memory card, flash drive, digital camera and camcorders.
Works well with Windows 10/8/7/XP/Vista, macOS Big Sur, macOS 10.15, macOS 10.14, Mac OS 10.13, macOS 10.12 and below.
100% guarantees your data recovery and data security.
Part 2. How to Recover Lost Data with Tenorshare 4DDiG
Below is about how you can use Tenorshare 4DDiG to recover the lost files on your computer. To get started, make sure that you have deleted data recovery software free. download full version with key and following steps below:
Run 4DDiG and choose the data type you would like to recover.
Choose a drive where your data was stored before it got lost and click on the Scan button to start scanning. You may select an external drive as well.
After scanning, it will show the files it can recover for you. Choose the ones you want to recover and click on the Recover button.
Choose a path where you would like to save the recovered files and click on the OK button.
There you go. The software will recover and save the files at your chosen destination. That is how you access recovery software for PC free download.
Part 3. Other Hard Disk Recovery Software free. download full Version
There are some other data recovery software, free download. Below are some pen drive data recovery software free. download full version.
1. Recuva
Recuva is a popular data recovery that can easily recover files from hard drives, USB drives, and memory cards. If you are looking for USB data recovery software free. download full version, it is worth a try.
Cons: Recuva hasn’t been updated since 2016
All software, free download
2. TestDisk
TestDisk is also available for data recovery software full version free download. It is a command-line tool that supports many operating systems and filesystems.
Cons: It may cause additional damage to potentially recoverable data.
3. Puran File Recovery
Puran File Recovery is also a free data recovery software if you are looking for data recovery software free. download full version with crack. It works well with Windows 10, 8, 7, Vista, and XP.
Cons: Puran File Recovery hasn’t been updated since 2016
Part 4. Useful Tips to Avoid Further Data Loss
There are a few suggestions that should help you avoid data loss in future.
My software, free download Pc
Do not store your files at the location where they were saved, and you lost them. It will drastically reduce the chances of you losing the same files again in the future.
There are many infected software's in the market that delete your data without your consent. Avoid installing them and always make sure to download your software from trusted sources.
Keep a backup of your important files so you can restore them when things go south, and your data get deleted as a result.
Get a UPS to ensure power supply to your computer even when the actual supply has gone off. It will provide you with an opportunity to save your data before you shut down your machine.
Summary
Tenorshare 4DDiG and the other alternatives listed in this post are all candidates for data recovery software, free download. We hope the above guide helps you find a data recovery software free. download full version and it helps you recover all lost files on your computer.
Recover Any Data on Windows without Efforts
Recover deleted, formatted or lost data from from PC/laptop/computer;
Restore files from hard drive, memory card, dynamic disk, and removable devices;
Recover photos, videos, documents, and up to 550+ Files;