Curated OER
Take Whole Tens: Subtraction with a Number Line
A tens number line helps your class understand how to "hop" backward to subtract by 10's. Ten practice equations are expressed as math sentences (in word form) using the expressions "take __ from __" and "subtract." A little cartoon...
Curated OER
Math Series: Number Patterns
The focus of this math lesson is representing numbers in different ways. Young mathematicians practice putting numbers into sets, and arriving at answers in new ways. For example, they are asked to, "Show me how to get 7 eyes." A...
Curated OER
Study Buddies: Dividing by One-Digit Divisors
Fourth and fifth graders learn long division by one digit divisors. They learn the steps: divide, multiply, subtract, compare, bring down, repeat. Pupils solve five problems in a step by step format.
Virginia Department of Education
Mathematics Vocabulary Cards - Grade 1
Clarify basic math concepts with a series of vocabulary posters designed for first graders. The cards include illustrations for fractions, place value, tally marks, and number lines, as well as many more vocabulary words.
Curated OER
Numbers 1-20
Count along as a class! Each slide contains a number and objects to count, 1-20. The images are fun and as they reach 10+ are grouped by ones and tens. This resource could be used in a variety of ways, is well put together, and has fun...
Curated OER
Estimation Station
Young scholars explore estimation and count by tens with Goldfish crackers.
Curated OER
Group Triangles Into Fives Or Tens
In this grouping into fives and tens worksheet, 2nd graders group pictures of triangles by drawing circles around sets of ten. They work with 50 pictures of small, right triangles.
Curated OER
Missing Numbers
In this number sequence worksheet, students examine 6 number sequences and fill in 1 missing number in each sequence. Next, students use the strategy of counting by ten to complete 5 different number sequences.
Fuel the Brain
Brain Boosters - Add Ten on a Number Line
Encourage learners to use pictures, numbers, or words to solve two-word problems in which they count by 10's using a number line. They tell the total number of items the child has in each problem by starting at a given number and adding...
Curated OER
Working with 10s and 1s, Part 2
Practice place value by visualizing 10s and 1s. First graders count the cubes in each place, then write the total number at the bottom. In one particularly helpful section, they draw the cubes that will add up to a given number. Bring in...
Curated OER
100 Or Bust!
Elementary schoolers use their understanding of place value to develop a strategy for a number game. In this lesson, pupils use place value to play "100 or Bust" and figure out a good winning strategy. These kinds of math games are...
Curated OER
Number Value Assessment
Quiz your second graders with this set of math worksheets involving place value, word problems, number sequence, greater than/less than, coin value, expanded form, and much more! Most have multiple choice answers provided, and generally...
Illustrative Mathematics
“Crossing the Decade” Concentration
Young mathematicians concentrate on learning to fluently count. Following the rules of the classic game Memory, children take turns flipping over cards in order to find pairs of numbers that cross a decade (e.g. 29 and 30). For younger...
Illustrative Mathematics
Hundred Chart Digit Game
Math games, especially in the primary grades, provide great opportunities for developing the number sense of young mathematicians. Working in pairs with a deck of single-digit cards, students take turns drawing two cards and reading the...
Math Learning Center
Addition Strategies
Help young mathematicians refer to simple addition strategies with a set of math posters. The pages feature ways to remember how to add zero to a number, how to determine if a number is odd or even, and making fast tens.
Curated OER
How Many People in Line? Tens
In this tens instructional activity, students read a story problem about people standing in line, circle groups of tens and write how many there are, then circle how many tickets will be needed. Students then complete a "write about it"...
Curated OER
Tens and Ones
In this counting by groups worksheet, students practice counting by tens and then by ones. Students count the rows of ten and single cubes and then write how many cubes there are all together.
Curated OER
Groups of Ten Tens
In this place value worksheet, students read about counting by tens using rows of cubes. They circle groups of 10 rows and write how many hundreds they make.
Houghton Mifflin Harcourt
Multiply 3-Digit Numbers by 1-Digit Numbers - Reteach 21.5
Nice and neat, this handout explains in steps how to multiply a three-digit numeral by a single digit. Learners practice by finding the product in nine problems that follow. Perfect for homework when addressing Common Core math standards.
Curated OER
Regroup Ones as Tens: Practice
In this regrouping numbers worksheet, students learn to regroup numbers by writing the tens and ones for each number set and then writing the number. Students finish with one test prep question using regrouping.
Curated OER
One Hundred Things
Learners practice estimating by handling items in groups of ten. They visualize how much space 100 items, such as pennies, peas, or beans, will take up after holding 10 of them. Learners measure the difference in volume between 10...
Curated OER
Counting On Tens or Ones
In this mathematics worksheet, 1st graders count on tens or ones. They identify how many ones and tens that they are counting for each. Then, students write the sum for each problem.
Curated OER
Counting Money (Online Interactive)
In this counting coins worksheet, students solve 20 problems in which a picture of an item with the price marked is analyzed. Students decide how many quarters, dimes, nickels and pennies would be needed to buy each item. This is an...
Curated OER
Skip-counting Practice
Students practice skip counting. In this skip counting lesson, students practice skip counting using hundreds boards and patterns. Students complete several examples and problems to ensure their understanding.