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Curated OER
Making a Ten
An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, students are taught how to first make a ten and then add on the rest. A similar method is also...
Math Worksheets Land
Add up to Four Two-Digit Numbers - Step-by-Step Lessons
Okay, so your scholars are excelling at two-addend addition problems, but what about three or four? Here are some practice problems to stretch their math skills. They find the sums of six equations: two with two addends, two with three...
EngageNY
Estimating Digits in a Quotient
Boiling down any division problem to a one-digit divisor problem sure makes estimation easy. The instructional activity shows how to estimate division problems by using place value understanding and basic arithmetic facts to simplify the...
Math Learning Center
Grade 1 Supplement Set A4 – Number and Operations: Equivalent Names
Engage young mathematicians in developing their basic arithmetic skills with these great hands-on activities. Using Unifix® cubes to model a variety of single digit addition and subtract problems, children build a basic...
Illustrative Mathematics
Comparing Numbers
Young mathematicians spin their way to a deeper number sense with this fun, collaborative activity. Using two spinners, one with the numbers 0-9 and the other with the decades 00-90, pairs of students take turns building and comparing...
Curated OER
And 1 More Makes...
If we add one more, how many will we have? Beginners to addition practice this skill using images and counting as they draw one more sock to each set and record the new total. There are three of these followed by four more similar...
CK-12 Foundation
Values Written as Powers: Binary Numbers 1 to 8
A six-question interactive tasks scholars with adding binary numbers one through eight. A tool acts as a visual aid to showcase the patterns made when working with base—2, digits zero and one. Question types include fill in the blank,...
Mental Arithmetic
Mixed Addition and Subtraction Year 1
Reinforce addition and subtraction with a 30-problem arithmetic worksheet in which scholars add and subtract numbers between one through 10.
Curated OER
Beginning to Add Decimals Mentally
In this addition worksheet, learners solve ten math problems in which they add a single digit number and a decimal number. Students solve these problems in their head and write the answers in the boxes. The answers are available on the...
Curated OER
Add 1 digit to 2 digits
Walter the frog tells the class to use their number bonds (fact families) to help them add single digit to double-digit numbers. With the guidance of a number line they will count on as Walter hops to the answer.
Curated OER
Study Buddies: Adding Two-Digit Numbers
Some times a simple lesson is all you need. Here are 2 worksheets that can be used as a lesson on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to practice adding simple...
DK Publishing
Addition with 3-Digit Numbers #1
Once your mathematicians can add two-digit numbers, it's time to bring on the three-digit addends. Here are 20 practice problems, each involving two whole-number addends. Learners do not need to regroup for any of these, and they have...
Curated OER
Addition Word Problems Up to 20
Because this addition word problem has the answer written on the same page, consider using it as a warm-up and projecting it. Simply cover up the answer until you're ready. The problem has beginners adding up two single-digit numbers for...
Curated OER
Add Three Numbers - Leveled Problem Solving
There are many ways to add. Learners add 3 single digit number together to find an answer to each of the 6 word problems. A great instructional activity that builds problem solving and basic addition skills.
K5 Learning
Addition and Subtraction Word Problems #1
Third graders read and solve six word problems and decide whether to add or subtract. The numbers range in 2-digit up to 4-digit.
Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
Curated OER
Addition to 20: Practice
A cute pig holds a poster with 15 vertically-oriented addition problems for your little mathematicians to practice sums to 20. They add single-digit and double-digit numbers. Some problems involve regrouping but the worksheet doesn't...
Curated OER
Addition to 20: More Practice
Another page with a cute pig holding a poster with 15 vertically-oriented addition problems provides practice sums to 20. Young number crunchers add single-digit and double-digit numbers. Some problems involve regrouping but the learning...
Curated OER
Prime Numbers: Eratosthenes' Sieve
By offering a step-by-step explanation of how to identify prime numbers, this presentation would be a terrific way to give learners a visual example of prime numbers. This is a simple, and easy way, for students to understand the "why"...
Curated OER
Addition Practice #1
Show young mathematicians that they are fully capable of mentally adding two-digit numbers. They start by solving 12 two-addend problems (all with two-digit numbers and aligned horizontally). There is no room to show work. Consider...
Curated OER
1 Less or 1 More
Complete these images with values one less and one more; young mathematicians fill in bunches of flowers, starting at a middle number and working their way to the right by addition and to the left by subtraction. For each flower they...
Curated OER
Addition Word Problems #1
Math is all around us, and scholars observe various addition scenarios as they solve 15 word problems. Each of these involve two-digit addends, some of which are money values. Although there are no decimals or fractions, learners do...
Curated OER
Who wants to win millions: 4th grade addition
Adding large numbers takes practice, so it might as well be fun practice! This Jeopardy-style game asks fourth graders to add up to hundreds, thousands, and millions. A Perfect way to study for up-coming standardized tests.
Math Worksheets Land
Add and Subtract Multi-Digit Whole Numbers
Help young mathematicians see the value in addition and subtraction. Offering one addition and one subtraction problem, this worksheet walks students step-by-step through the solutions of each, starting in the ones place and working...