Curated OER
Estimating Sums and Differences
Work on rounding, estimating, adding, and subtracting with a helpful math worksheet! Fifth graders study different sets of addition and subtraction problems, and after rounding each number to the leading digit, they estimate what the sum...
EngageNY
Polynomial, Rational, and Radical Relationships
This assessment pair goes way beyond simple graphing, factoring and solving polynomial equations, really forcing learners to investigate the math ideas behind the calculations. Short and to-the-point questions build on one another,...
Florida Center for Reading Research
Fluency: Letter Recognition, Speedy Alphabet Arc
On your mark, get set, match! Learners use a complete set of letters, matching each to its outlined letter on an arc. As they choose letters, they name them aloud. For added difficulty, another arc is missing most of its letters to...
Curated OER
QR Coded Audio Periodic Table of the Elements
Take the periodic table into the digital age with QR codes that take the scanner to an audio recording about each element from the Royal Society of Chemistry. Enlarge the image, then use a smartphone or tablet to scan the code for an...
Curated OER
Addition: Level 2: Exercise 2 (no carryovers)
In this addition learning exercise, students solve 36 problems in which single digit numbers are added without carrying. This is an online interactive learning exercise.
Curated OER
Add 9 to a 2-Digit Number
In this addition worksheet, students add 9 to a series of 2-digit numbers and increase given numbers by 9. An answer key and website reference are given.
Pennsylvania Department of Education
Adding and Subtracting Rational Numbers to Solve Problems
Students explore the concept of probability. In this probability lesson, students use area to determine probability. Students use charts and spinners to help determine the probability of events such as flipping a coin or...
Curated OER
Addition of 2 Digit Plus 1 Digit (No Regrouping)
Students review adding without regrouping the numbers. They are divided into groups and have to write the answer to the problem given on their papers.
Curated OER
Adding Three Small Numbers
In this number sentence worksheet, 2nd graders complete 5 problems where they fill in the missing 3rd addend after being given 2 addends and a sum.
Curated OER
One Digit Addition With Regrouping
For this one digit addition worksheet, students solve a total of 64 problems, all adding one digit numbers together with regrouping.
Curated OER
Regrouping Ten Ones for One Ten
Students explore regrouping. In this hands-on math place value lesson, students construct models using connecting cubes and place value mats to solve simple addition problems that require regrouping.
Curated OER
The Numbers Get Larger
Second graders examine how to use mental strategies for addition and subtraction. They look at part/whole strategies for multi-digit problems and define which one would be best used for a particular problem. They use tens frames to solve...
Curated OER
Domino Adding
Students practice adding numbers to twelve. In this computation lesson plan, students construct paper domino patterns and play games in which they use the the dots on the dominoes to make addition problems.
Curated OER
Fibonacci Trick
In this algebra worksheet, students solve a puzzle starting with two single digit numbers and eventually conclude that the answer can be used with Fibonacci's pattern. There are 11 steps to the puzzle with a provided answer.
Curated OER
Adding by 1 Digit
In this patterns and sequences worksheet, students are given 14 sequences of numbers and must determine the missing numbers in the sequence. Each sequence of numbers contains 12 boxes, only 4 to 6 numbers are given in each sequence. ...
Curated OER
Adding Fractions
In this adding fractions worksheet, students add fractions that contain one digit numbers and reduce them to their smallest terms. Students complete 18 problems.
Curated OER
Addition Worksheet for Decimals (Two Digits)
In these mathematical worksheets, students complete four pages of two digit decimal addition equations. Students must print their completed worksheets out in order to save their progress.
Curated OER
Add 2-Digit and 1-Digit Numbers with Regrouping
In this addition and regrouping worksheet, students solve the addition problems using 1 and 2 digit addition problems. Students use regrouping to solve the addition problems.
Curated OER
2-Digit Addition #3
In this addition worksheet, students complete a total of 12 problems, adding one 2-digit number to another. A reference web site is given for additional activities.
Curated OER
2-Digit Addition #5
In this addition worksheet, students complete 12 problems, adding one 2-digit number to another. A reference web site is given for additional activities.
Curated OER
Add 2-Digit Numbers
In this addition worksheet, students complete 12 problems, adding one 2-digit number to another. A reference web site is given for additional activities.
Curated OER
Addition of 2-Digit Numbers
In this addition worksheet, students complete 12 problems, adding one 2-digit number to another. A reference web site is given for additional activities.
Curated OER
Addition of 2-Digit Numbers #2
For this addition worksheet, students compete 12 problems, adding one 2-digit number to another. A reference web site is given for additional activities.
Curated OER
Investigation - Who is Right?
Third graders investigate two mathematic scenarios and determine which is correct. They compare adding columns and places (such as the tens place, hundreds place, and so on) and familiarize themselves with how to add larger numbers.