Add, Subtract, Compare and Perimeter
Add big numbers. Subtract big numbers. Find how many more. Find the perimeter.
Practice A, Practice B, then the Review. Then show what you know on the Test!
Welcome back!
You have an unfinished session:
Start here. Watch and listen. Then try it one step at a time. Get 9 of 12 right to open Practice A.
The problems are already in columns. Every hint is read to you. Get 13 of 18 right to open Practice B.
The same kinds of questions as the test. 💡 Hints and word help. Get 12 of 17 right to open the Review.
No hints this time. Get 12 of 17 right to open the Test.
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Every question and every answer choice has its own speaker button.
You can use it as much as you need!
Choose your name from the list, then enter your student number and tap Sign In. Guest students will also enter their first name.
You will add and subtract big numbers. Do the work on paper. Write the numbers in columns. Line up the places. Then pick your answer.
Start with the Warm-Up. First you watch and listen. Tap Listen and hear it to the end. Then you try a problem one step at a time. The steps do not count. Then you do 12 questions on your own. Every question has a hint, and the hint is read to you. You can do it as many times as you like. Get 9 of 12 right to open Practice A.
Get 9 of 12 right on the Warm-Up first. Then Practice A opens. It has 18 questions. The problems are already in columns. Every question has a hint, and the hint is read to you. After each answer you will see the right answer and why. You can do it as many times as you like. Get 13 of 18 right to open Practice B.
Get 13 of 18 right on Practice A first. Then Practice B opens. Practice B has 17 questions. They are like the test questions. Every question has a hint. The hint is not read to you here. If you get stuck, tap the Need a hint button. Tap the speaker by the hint to hear it. After each answer you will see the right answer and the work. If you miss a question, you will see what went wrong. Then you get to try one like it. That extra question does not change your score. You can do Practice B as many times as you like. Get 12 of 17 right to open the Review.
Some questions have word buttons under them. Tap a word to see what it means. You will see an example too. Tap the speaker to hear it. Word help is in the Warm-Up, Practice A and Practice B. It is not in the Review. It is not on the Test.
If you miss a question, you will see what went wrong. Tap the Listen button. Hear it to the end. Then the Next button shows. This is in the Warm-Up, Practice A, Practice B, and the Review.
Get 12 of 17 right on Practice B first. Then the Review opens. The Review has 17 questions. There are no hints and no word help. After each answer you will see the right answer and the work. If you miss a question, you will see what went wrong. Then you get to try one like it. You can take the Review two times. Get 12 of 17 right to open the Test.
Get 12 of 17 right on the Review first. Then the Test opens. It has 17 questions. There are no hints and no word help. After each answer you will see if it is correct or not quite, but the right answer is not shown. You take the test one time. When you finish, it locks. Only your teacher can unlock a retake, so do your best work the first time.
When each question appears, the answer choices are locked for 12 seconds. Use that time to read the question and choices carefully before making your selection. A Warm-Up step locks for 3 seconds.
⏱️ 12 second read lockAfter you confirm your answer, wait 8 seconds before moving on. This gives your brain time to process the feedback — right or wrong!
⏳ 8 second pauseA timer runs the whole time. It is not a countdown — there is no time limit. It only tracks how long you take so your teacher can see your progress.
📊 No pressure — no time limit!🔒 Enter Teacher PIN to clear all scores: