Students use estimation as a math strategy. Students estimate the number of small snacks that are presented to them. Students count the snack items after they have estimated how many there are, before the class snack on a daily basis.

Students practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.

In this math worksheet, students subtract the decimals while taking special care to keep the decimals in the correct place value. The answers are also available.

Students participate in a teacher led math "trick." The teacher "reads the mind of the students. The answer to the problem is always 4, and by following the directions, the teacher can guess that students are thinking of Denmark, and...

In this place value and palindrome riddles worksheet, students problem solve five mathematical riddles that involve place value and palindromes.

Students read, write, and identify different coin combinations and use this information in real-world situations.

In this magic shapes worksheet, 7th graders work in groups to solve 9 magic square puzzles requiring logic and problem solving.

Students investigate light and its energy. They discuss the properties of light, research how much light the moon absorbed on their birthday on a website, complete a graphic organizer, and create a kaleidoscope.

Students practice this problem that needs a certain amount of experimentation (trial and error) to get any answer at all. In the process they practice their basic number facts. However, to get the complete set of answers Students need to...

Seventh graders play a number strategy and addition game.

Practice adding two-digit numbers by making tens on Khan Academy. If you are stuck, watch a refresher video or choose to get a hint. Test yourself to see how many you can get correct!

In this exercise, students practice subtracting two-digit numbers (no regrouping). Students receive immediate feedback and have the opportunity to watch a tutorial video, get hints, and try questions repeatedly.

[Free Registration/Login may be required to access all resource tools.] The video models how to add two-digit numbers using regrouping. The video is followed by practice problems.

Learn how to add double-digit numbers in this lesson complete with examples, rules, and vocabulary.

Students add two-digit numbers with these interactive flashcards. The resource demonstrates how to carry a "1" in the tens or hundreds column.

Practice solving problems like 46-9. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Students solve two, three, and four-digit addition problems with carrying. The sum turns blue if correct.

Divide two whole numbers to get a quotient with a decimal. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This lesson plan has students exploring was to add and subtract numbers with multi-digits and place value.

Learn how to solve two-digit addition problems, and then practice the skill with interactive problems.

Add whole numbers with sums less than 1,000,000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

These interactive flashcards help students add two-digit numbers through 99. The problem changes color with the correct answer.

Did you know that you need to add a zero at the end of a numbers when you multiply two or more times; one zero for the tens number and two zeros for the hundreds.? Review the examples and then practices your skills with the two...

Step-by-step tutorial showing how to add 3-digit numbers in place value columns with and without regrouping. CCSS.Math.Content.3.NBT.A.2 Fluently add and subtract within 1000