Curated OER
Mystery Numbers
In this mystery number worksheet, students begin with a 3 digit number and using the code key, find the sum or difference in each shape as a spiral puzzle is solved.
Curated OER
The Math Lesson 7
In this addition and subtraction practice worksheet, students use their problem solving skills to solve 200 problems that require them to add and subtract single digit numbers.
Curated OER
Horizontal Four Digit Place Value Addition
In this addition worksheet, 3rd graders focus on adding four different numbers. Students solve for 16 horizontal problems with no regrouping necessary.
Curated OER
Addition Exercise-- Zero
In this addition of zero worksheet, students solve 15 problems in which single digit numbers are added to zero. Students are encouraged to work quickly and time themselves.
Curated OER
Addition Facts
In this adding one-digit numbers instructional activity, students problem solve the sums from one to eighteen. Students solve 100 problems.
Curated OER
Ladybird Addition
For this addition worksheet, students solve 6 problems in which single digit numbers on each side of the ladybug's body are added. The spots help students count.
Curated OER
Fraction Addition
In this finding the sums of fractions learning exercise, students add single digit and double digit fractions with uncommon denominators. Students solve 120 problems.
Curated OER
What's it Worth?
In this reading worksheet, students spell 5 pictures using scrabble letters. All words are formed with u_e. Students also add up the score of each word.
Curated OER
What's it Worth?
In this reading worksheet, students spell 5 pictures using scrabble letters. All words end in -ub. Students also add up the score of each word
Math Salamanders Ltd.
Addition Up to 20, Sheet 3
This activity focuses on adding numbers to sums of 20. Pupils complete a set of 24 problems by adding numbers to 20. A number line and reference website are given for additional activities.
Curated OER
Mentally Add and Subtract 10 or 100
Find the missing digits in these number sequences. Each of the ten has one missing number and scholars must figure out what it is. Here's the pattern: all of these sequences involve counting by 10s. Learners add or subtract 10 to...
Curated OER
Counting In Tens: Crossing the Hundreds Boundary
Count on by 10 to finish each number line. Pupils count on 10 begins at a variety of three-digit numbers. There are 6 problems to solve.
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
Add Consecutively With One
Here's a basic instructional activity for student to practice adding consecutively with one. The problems all involve single digit addition. There are only 10 problems on the instructional activity so this might be a good warm-up activity.
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,...
Curated OER
Make Ten Bundles
How many rolls until you get to 100? Young mathematicians will have a blast with this place value game, which has them rolling a die and placing a corresponding number of popsicle sticks in the "ones" column of their mat. Once they get...
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
Add Double-Digit Numbers-Vertical
In this addition of 2-digit numbers worksheet, students complete a set of 20 problems, adding three 2-digit numbers together. Answers are included on page 2.
Curated OER
Add to Find the Greatest Total
In this addition worksheet, students solve 12 problems in which two digit numbers are added with carrying. Students ring the total that is the greatest in each row.
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
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.
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.