Curated OER
Money Challenge
In this coin worksheet, 2nd graders count up the coin amounts given to them. Students complete 10 problems where they count up coin amounts.
CK-12 Foundation
Identify Accurate Drawings of Triangles: Law of Cosines
Drawing triangles is easy, even if you have to calculate the exact length of its sides. Scholars use the Law of Cosines to find missing sides of triangles. An interactive helps them check their answers.
CK-12 Foundation
Finding Exact Trigonometric Values Using Double Angle Identities: Trig Values Using Double and Half Angle Formulas
The more you know, the more you can learn. Scholars apply the double angle and half angle formulas to determine trig values based on known values. They use an interactive that provides sine and cosine values to aid calculations.
Teach Engineering
Bone Density Challenge Introduction
Can you use X-rays to measure bone mineral density? This is the essential question that learners must answer in the first installment of a seven-part series. They brainstorm ideas about necessary background information and what they...
Curated OER
Six
Challenge your beginning counters with this learning exercise focused on the number 6. Four sets have fewer than 6 objects in them. Learners count how many are pictured, and draw more to make 6. They write the numeral 6 in a box for each...
Curated OER
Number Word Search
Get ready for your next math lesson with a fun little warm up. This single slide contains a word search, where learners work to find all the number words they can. Time it for an extra challenge, use with early finishers, at an...
Curated OER
Number Blast Addition
A quick and easy way to get kids ready for math, is with a warm-up activity. Here, they are presented with a series of 10 numbers, as the slides progress they add each number together, resulting in a single answer. A wonderful warm-up,...
Curated OER
Addition and Subtraction Equations
For math teachers who are leading their charges into the world of algebra, this presentation may be useful. In it, learners are shown the basics of algebraic equations as they relate to addition and subtraction. The last slide challenges...
Curated OER
Count the Dots: 10 Plus More Makes 11-20
Young math learners count and circle a group of 10 dots. They count on the extras, and write the corresponding number between 11 and 20 in a box. Nine practice problems in all.
Math Salamanders Ltd.
Subtraction Up to 20 — Sheet 2
Challenge your class with 20 subtraction problems. Learners will subtract single and double-digit numbers up to 20 with a number line.
Curated OER
Perfect Numbers?
In these math worksheets, students will complete 14 problems about proper fractions, 14 problems about abundant and defective numbers, and 14 problems about determining perfect, abundant, and defective numbers.
Curated OER
Cube Coloring Problem
Upper elementary and middle schoolers describe the various features of unit cubes, such as edges, corners, and faces. They also discuss how to represent measurements of a cube using exponents before engaging in various thinking and...
Curated OER
Fish Tanks: Volume and Surface Area
Given a very realistic challenge, your young geometers design residential fish tanks in rectangular and triangular prism shapes. They compute the volume of water each will hold. They also determine the size of plastic covers for each...
Curated OER
Word Problems Involving Multiplication and Division
Third graders use basic multiplication and division skills to solve 40 problems. There are also extension/challenge problems which require two steps.
Curated OER
Spring Math Word Problems
Learners solve two word problems, one addition and one subtraction. They read each problem, determine what is being asked, then draw pictures to help them solve. This would work well as a warm up, concept review, or challenge for early...
Curated OER
What's Missing?
Add a challenge for your young mathematicians' adventures in double-digit addition. Instead of simply computing sums in the 9 problems, they work backwards to fill in blanks among the addends. Resource makes a terrific extension or...
Curated OER
Add Tens and Ones
Six story problems challenge young mathematicians to add single- and double-digit numbers. Manipulatives would come in very handy for primary graders tackling this learning exercise. Some of the sums have addends as large as 25 and 33....
Curated OER
Finding Fractions of Numbers and Quantities
Here is an interesting presentation on fractions, quantities, and factoring. A game called four in a row is presented as a way of providing a fun way for learners to practice mathematical skills in these areas. Along with the game, there...
Curated OER
Imperial Units
If your class is familiar with the metric system and is ready for a challenge, introduce them to imperial units. Pupils are shown places in London where imperial units are used, and then they measure objects using feet, inches,...
Curated OER
Expanded Form (P)
Now here is a challenge that can be used toward the end of the second grade. Learners will assess 12 five-digit numbers and write each in expanded form. A great way to reinforce place value and build number sense.
Curated OER
Money Math Challenge #2
In this money worksheet, students count the total amount of money represented by groups of coins, writing the amount on a line next to each group.
Curated OER
Money Math Challenge #4
In this money instructional activity, students count the total amount of money represented by groups of coins, writing it on a line beside each group.
Curated OER
Math Challenge: Coins
In this counting coins worksheet, students identify the coins and count the total. Students identify quarters, dimes, nickels, and pennies to complete the 6 problems.
Curated OER
Reflecting a Rectangle Over a Diagonal
Use the handout as guided or independent practice in drawing a reflection of a rectangle over a line. Three rectangles are provided for practice in addition to a critical thinking question.