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101 Questions
Safe Cracking
How long would it take to break into a safe by testing every possible combination of codes? Pupils view a video clip of this happening and must determine the total amount of time before success. They measure how long each step takes, add...
West Contra Costa Unified School District
The Power of Ten: Building a Magnitude Model
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.
Rational Number Project
Rational Number Project: Initial Fraction Ideas
Deepen the fractional number sense of young learners with this introductory lesson on equivalent fractions. After completing a short warm-up activity, children go on to work in pairs using fraction circles to complete a table of...
Curated OER
Oddball Patterns
Investigating unique number patterns gets learners to put their thinking caps on. Your whole class examines numerical palindromes that are added and multiplied. The class works to find the pattern.
Curated OER
Math Lesson Plan : Finger Counting
Create a class of mathematics master. They practice addition to ten until they have mastered the skill. They use their hands to add numbers and eventually find the missing addend to make a sum of 10. They also subtract a single digit...
Curated OER
10 More or 10 Less
Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...
Curated OER
Fibonacci Trick
In this algebra worksheet, students solve a puzzle starting with two single digit numbers and eventually conclude that the answer can be used with Fibonacci's pattern. There are 11 steps to the puzzle with a provided answer.
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Addition Ladder
In this addition ladder worksheet, 5th graders find the missing numbers in nine addition problems with 5 and 6 digit numbers, then add all the answers.
Curated OER
Ten Little Black Dots
Second graders use black and red construction paper to symbolize different one digit numbers that add up to 10. In this sums to 10 lesson plan, 2nd graders discover different combinations and patterns that can lead them to the number 10.
Curated OER
Tic Tac Toe Math Addition 9
In this tic-tac-toe math game worksheet, students practice their one-digit addition skills as they play two rounds of the math game with a partner.
Curated OER
Subtraction Worksheet : Numbers to 19 (1 of 3)
In this subtraction worksheet, students find the differences to 53 horizontal and vertical subtraction problems. They work with numbers up to 19 and do not regroup while working.
Curated OER
Tic Tac Toe Math Addition 8
In this tic-tac-toe math game worksheet, learners practice their three digit addition skills as they play two rounds of the math game with a partner.
Curated OER
Apple Addition
In this addition worksheet, students add simple one-digit numbers. They write their sum in the apple below the equation. Addition facts zero through eight are represented. Sums to extend to eighteen. Twenty-five problems are on each...
Curated OER
Fun Math 28
In this finding the sum activity, students add one-digit and two-digit numbers on a page with clip art next to each problem. Students solve 15 problems.
Curated OER
Addition Exercises
In this early childhood addition practice worksheet, students use the pictured counters to solve 9 problems that require them to add 1 digit numbers.
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Addition and Subtraction
In this addition and subtraction practice instructional activity, students use their math skills to solve 22 problems that require them to add and subtract with 1 and 2 digit numbers horizontally.
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Addition and Subtraction 4
In this addition and subtraction practice worksheet, students solve 22 problems that require them to add and subtract with 1 and 2 digit numbers.
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Addition and Subtraction 3
In this addition and subtraction practice worksheet, students solve 25 problems that require them to add and subtract with 1 and 2 digit numbers.
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Addition and Subtraction 6
In this addition and subtraction practice instructional activity, students solve 25 problems that require them to add and subtract with 1 and 2 digit numbers
Curated OER
Addition: Monetary Amounts
In this adding monetary amounts practice activity, students solve 16 problems that require them to add with 1 and 2 digit numbers.
Curated OER
Add Groups of 10
For this addition worksheet, students count each group and write the 2-digit number in the top boxes. Students add the number shown in each table to this number. Students draw a line for each extra 10 added. Students record the total at...
Curated OER
Using a Hundreds Chart
Youngsters participate in three activities using the hundreds chart. They will choose numbers to add up to one hundred. Whoever gets the most combinations wins. Two variations of the game are supplied.
Curated OER
Start Book
Students review their notes, drawings, photos and writing from the field trip to share with the whole group. They make a fiction or nonfiction storybook as a group. They include writing from all students and can include artwork and...
Curated OER
A Secret Code
In this addition and subtraction worksheet, students solve for problems to complete the riddle about George Washington. Students solve 20 two digit problems of addition and subtraction with some regrouping necessary.