Curated OER
Multiplying
There is a step-by-step example here to help young multipliers solve 12 equations, all of which have one 2-digit and one 1-digit factor. The method displayed encourages breaking the two-digit number into tens and ones, multiplying each...
Illustrative Mathematics
1.OA, NBT, The Very Hungry Caterpillar
First graders are exposed to addition of three whole numbers in a math activity centered around Eric Carle's, The Very Hungry Caterpillar. As the teacher reads, young mathematicians use counters and ten-frames to symbolize the number of...
Kiz Math
Who Wants to Win Millions - Addition
Some excellent practice in adding a variety of numbers awaits your class in this engaging Jeopardy-style game. They can earn hundreds of dollars by answering questions correctly. The categories include: Adding One, Two, and Three-digit...
Curated OER
Sums to Ten
In these addition worksheets, students add the 1 digit numbers that have sums to 10. Students solve 100 single digit addition problems.
Curated OER
Add One-Digit Numbers to Two-Digit Numbers
In this addition review worksheet, students practice adding 1-digit numbers to 2- digit numbers as they solve 3 addition problems.
Curated OER
Adding Fractions Worksheet
In this adding fractions worksheet, students add fractions with uncommon denominators with one digit numbers. Students complete 20 problems total.
Curated OER
Add One-Digit Numbers to Two-Digit Numbers
In this addition with carrying worksheet, students solve 7 problems in which two digit numbers are added to single digit numbers with carrying.
Curated OER
Addition: Level 2: Exercise 4 (no carryovers)
In this addition worksheet, students solve 30 problems in which a single digit number is added to a 2 digit number with no carrying. This is an online interactive worksheet.
Curated OER
Add One-Digit Numbers to Two-Digit Numbers
In this addition word problems worksheet, students solve 4 story problems in which two digit numbers are added to single digits.
Curated OER
Addition Up to 10: Speed Race 3 and 4
In this addition worksheet, students find the sums to 20 single digit addition problems. They try to work more quickly than the previous day.
Curated OER
Adding - Written Questions
In this addition worksheet, students solve the 10 subtraction problems and write the answers in the boxes. The problems involve adding a 2-digit number to a 2-digit number. The answers are on the second page.
Curated OER
Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
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Number Line Addition Problems
In this addition worksheet, students use a number line to help them find the sums to 12 single digit addition problems. They use a number line that contains the numbers 0 - 10.
Curated OER
One-Digit Addition
In this addition worksheet, students solve a total of 64 problems, all adding one digit numbers together, answers included on page 2.
Curated OER
Subtracting Greater Numbers
In this subtraction instructional activity, 4th graders subtract 13 math problems involving 4 and 5-digit numbers. Students solve 1 word problem with a chart.
Curated OER
Use a Number Line to Add - Practice
In this math worksheet, 1st graders use a number line to practice finding the sums in 18 single digit addition problems. They complete a test prep question in which they find a sum and explain which number they should count from and tell...
Curated OER
Adding 10
In his adding 10 worksheet, students find sums, adding 10 to one-digit numbers and solving 4 word problems. A website reference for additional resources is given.
Curated OER
Easy Addition
Learnes practice an alternate way of carrying when doing addition. In this addition instructional activity, everyone applies an alternate algorithm when they need to carry when adding. They work from left to right instead of starting in...
Curated OER
Add and Subtract within 20
Here is a more interesting way to practice addition and subtraction number sentences. Learners complete two sum boxes, adding across and down then totaling for a final sum. They do the same with subtraction in two more boxes. Finally,...
Curated OER
Adding Two Three-Digit Numbers
In this mathematical adding equations activity, students problem solve sixty equations by adding together two three-digit numbers.
Curated OER
Know By Heart Addition Facts To 20
In this addition worksheet, learners solve the 56 addition problems. They are each in groups of 8 and students record how many seconds it took to get each group done. The problems all involve adding 2 single digit numbers together. The...
Curated OER
Math Worksheets Addition Worksheet: 2-Digit Addends 3
In this addition worksheet, students illustrate their understanding of adding 2-digit numbers by solving 20 problems and providing the correct computation.
National External Diploma Program Council
Finding an Average
Young hopefuls can practice finding the average of a group of numbers represented in tables and word problems.
Curated OER
Beginning to Add Decimals Mentally
In this addition learning exercise, learners solve ten math problems in which they add a single digit number and a decimal number. Learners solve these problems in their head and write the answers in the boxes. The answers are available...