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.
K-5 Math Teaching Resources
Fraction Squares
Invite your class to demonstrate their fraction knowledge using this fraction squares printable that shows a whole divided into halves, thirds, fourths, fifths, sixths, eighths, tenths, twelfths, and sixteenths.
K-5 Math Teaching Resources
Fraction Circles
Use this fraction circles template that represents a whole, halves, thirds, fourths, fifths, sixths, eighths, and twelfths to visually reinforce children's understanding of fractions.
Curated OER
Fraction One-Half
In this recognizing the fraction 1/2 worksheet, students observe blank bars and fill them in showing different ways to make one-half. Students answer eight questions.
Curated OER
Lines of Symmetry
Do your learners know that letters of the alphabet have lines of symmetry? Well, some of them do. Scholars examine nine symmetrical letters and draw in the line of symmetry for each (one of them has two!). They also complete six letters...
Curated OER
Count Forward and Backwards in Halves
In this counting worksheet, students count forward and backwards in halves as directed by given numbers. An answer key and website reference are given.
Curated OER
Telling Time by the Half Hour
In this analog clocks worksheet, students draw hands on the 9 clocks to match the digital times underneath. All times are to the nearest half hour.
Curated OER
Half Way Between
In this division worksheet, students answer the 7 questions on the worksheet that ask what number lies half way between 2 other numbers. The answers are on the second page.
Curated OER
Half of Multiples of 10
In this half of multiples of 10 learning exercise, students complete 10 problems, dividing to get half of given multiples of 10. A reference website for additional resources is given.
Curated OER
The Little Half-Chicken
In this comprehension activity, students answer short answer and discussion questions for the story The Little Half Chicken. Students complete 13 questions.
PhET
Radioactive Dating Game
Uranium 235 has a half-life of over 700 million years and is the fuel used in the atomic bomb dropped on Hiroshima, Japan. Pupils see the half-lives and decay rates of Carbon-14 and Uranium-238. They also take measurements of these two...
Curated OER
Learning About One-Half
In this learning about one-half worksheet, students discover that two equal parts are halves. Students then color the halves of 15 shapes to show they understand the concept.
Curated OER
Finding Half-Word Problems
In this finding one-half worksheet, students complete a set of 10 word problems, finding one-half of given sets of objects. A reference web site is given for additional activities.
Curated OER
Using Clocks: Analogue Clocks
What time is it? Have the class practice telling time to the half hour by reading and labeling each of eight clocks. On a second set of eight clocks, they use the time shown to draw in the missing clock hands. An answer sheet is included.
Curated OER
What Time Is It? Part 2
Tell time to the half hour with these analog clocks! The first six problems invite first graders to write the correct times below, while the second set of problems provide the time and empty clock faces. A great way to review your time...
Curated OER
Halves of Even Numbers to 20-Sheet 1
In this halves of even numbers worksheet, students find halves of given numbers and match numbers to their halves. A reference web site is given for additional activities.
Curated OER
Halves of Even Numbers to 20, Sheet 2
In this halves of even numbers to 20 worksheet, students answer a set of 24 questions, finding halves of given numbers, then match numbers to their halves.
Curated OER
Counting in Halves in Sequences
In this counting halves activity, students count halves in sequences, filling in the missing numbers. Sequences go up or down in steps of a half. A reference web site is given for additional activities.
Curated OER
Counting in halves in sequences 1
In this counting by halves worksheet, learners fill in the blanks to the number line where they write numbers that count by halves. Students complete 12 problems.
Curated OER
Finding a Half on a Number Line
In this 1/2 worksheet, students fill in missing numbers on a number line, finding halves. A reference web site is given for additional activities.
Curated OER
Subtracting Half a Double
In this subtraction worksheet, students complete a total of 25 problems, subtract half of a doubled addend. Answers are included on page 2.
Curated OER
Focus on Fractions
Practice identifying equivalent fractions with this worksheet. There are 10 short-answer questions for your mathematicians to answer. An "Equivalent Fraction Wall" worksheet is provided to aid your class in answering each question.
Curated OER
Hours and Half Hours of Time- Step-by-Step Lesson
This brief introduction to reading time on analog and digital clocks has learners examine two clock faces, one of each type. They determine the time (4:30 on the analog and 6:30 on the digital). An explanation on the bottom describes the...
Curated OER
Julius Caesar: The First Half of the Play
If you want to test your class' reading comprehension on the first half of Shakespeare's Julius Caesar, this online interactive quiz may benefit you. Be aware that it requires no critical thinking or analysis.
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