Curated OER
Mental Addition and Subtraction
Students play the online game ArithmAttack to practice mental math skills. They play the game to as many additions or subtractions as possible in sixty seconds. Afterward, they complete a paper based follow up exercise.
Curated OER
Rooster's Off To See the World Number-Sense
Students recognize how numbers are used in number stories. In this Rooster's Off To See the World lesson plan, students participate in the story. Students complete a number activity and work on the computer to illustrate a number...
NTTI
Putting Together Ten
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries...
Curated OER
Count on Math
Students develop number sense up to a million. In this developing number sense up to a million lesson, students count their breaths in given time span. Students use blocks representing 10's and 100's to create a...
Curated OER
Meba Math (K-1)
Students work with counters and math mats to demonstrate number concepts. For this number concept lesson, students use cubes and configuration cards to show more or less than given numbers.
Curated OER
Find the Biggest Number
In this online interactive math skills worksheet, students examine a series of 4 one and two-digit numbers and identify the largest number in the series. Students may submit their answers to be scored.
Curated OER
Using Negative Numbers
Fourth graders explore negative numbers with this resource. They discuss positive and negative numbers by counting who is present and absent, placing numbers on a number line, and graphing temperatures. Using a variety of activities,...
Curated OER
More or Less
Freddy the Frog helps little learners determine which number comes before and which one comes after. He hops around a number chart and children write down the number one less and one more than where he has landed. This is a very cute way...
Curated OER
Number Base Clocks
Students investigate place value in base ten. In this number sense lesson plan, students participate in an online lesson plan at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from base...
Curated OER
Using Number lines in Addition and Subtraction
Adding and subtracting can be done by counting on or counting down a number line. This presentation provides a complete demonstration and examples of how one can use a number line to solve double-digit addition and subtraction problems....
Illustrative Mathematics
Make 9
Learning how numbers are put together as parts and wholes is a big step in building the foundational number sense of young mathematicians. Here, children are given a number less than 10 and are asked to find as many pairs of numbers as...
Illustrative Mathematics
A Bobbie Bear's Buttons
Young mathematicians help Bobbie Bear pick colored buttons out of a box as they learn how to decompose numbers less than 10 into pairs of smaller numbers. To support students with the process, consider creating a worksheet or graphic...
Illustrative Mathematics
Using Benchmarks to Compare Fractions
Introduce a new strategy for comparing fractions by analyzing Melissa's use of benchmarks. Walk the class through her process, calling on students to explain their understanding of each step she took. Then practice this method on two...
Virginia Department of Education
Powers of Ten
Investigate negative exponents of-ten. Pupils use the pattern of increasing powers of 10 to determine negative powers of 10. The scholars write the powers in expanded and product forms and make the connection to exponents using a...
Curated OER
Dinosaur Math
Second graders practice vocabulary related to measurement, mathematics, and dinosaurs. Using the engaging topic of dinosaurs, learners will calculate various information about dinosaurs and use measurement vocabulary. They will also...
Curated OER
Using Known Facts to Multiply and Divide Mentally
Building strong mental-math skills requires learners to have a strong number sense. They practice multiplying two and three-digit numbers in their heads using estimation or approximation. They estimate or round each number and then...
Scholastic
Study Jams! Determine the Missing Operation in an Equation
Deepen the number sense of your math class with a short presentation on writing equations. Using the relationship between numbers, young mathematicians learn how to determine the missing operator in an equation. A number of opportunities...
Scholastic
Study Jams! Prime & Composite Numbers
Prime or composite, that is the question. Teach your class how to find the answer with this step-by-step presentation that defines and provides examples of each type of number. When addressing larger numbers, divisibility rules are...
Illustrative Mathematics
Multiples of 3, 6, and 7
What are the common multiples of three, six, and seven? Assess young mathematicians ability to find the common multiples of three numbers in a straightforward math task.
Curated OER
Find 1
Extend your class's ability to represent unit fractions on a number line with this challenging worksheet. Given two number lines, one labeled with zero and 1/4, the other with zero and 5/3, young scholars must accurately locate the...
Illustrative Mathematics
Find 7/4 Starting from 1, Assessment Variation
Practice working with number lines with a simple, versatile worksheet. On a number line starting at zero and continuing beyond one, third graders decide where to place the fraction seven-fourths.
Curated OER
Number and Number Relations: Lesson 20
Fourth graders locate decimals on a number line. They use number sense and estimation skills with decimals. Students are introduced to percents. They look at fractions on a number line. Students fold a piece of paper to find halves,...
Curated OER
K-1 Numeral Recognition
Students investigate numerals by creating visual aides. In this number sense lesson plan, students discuss the different types of numerals and how they can be translated into a number or an image. Students create a children's...
Curated OER
Number Recognition Games
Students explore number sense by participating in a math recognition activity. For this number identification lesson, students practice pronouncing names of numbers and matching the number with an amount of objects. Students practice...