Curated OER
Missing Addends - Inverse Operations
For this math worksheet, student find the missing addend in 28 single and double digit addition problems and write the corresponding subtraction problem.
EdHelper
Addition: Missing Number Fill In
For this addition worksheet, students fill in a missing addend to solve 23 problems. Worksheet is part of a subscription site with links and is labeled as a sample.
Curated OER
Subtracting Pictures of Stars
In this subtracting pictures of stars activity, students look at the set of stars and write the answer to the simple subtraction problem.
Curated OER
Add and Subtract within 20
These true equations are missing numbers. Scholars examine a set of possible answers to fill in each of the nine equations. Consider covering up the answer options, as it may be more helpful to have learners simply figure these out...
Curated OER
Unit 2 Quantities Review
In this quantities in chemistry activity, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and percent yields.
Curated OER
A Frightening Mix of Math, A-Add or Subtract, But Look Out for the Monsters
In this math worksheet, learners add and subtract. Fifteen problems are subtraction, students subtract two digit numbers from three digit numbers. Regrouping is required. Twenty-one problems are addition, learners add two digit numbers...
Curated OER
A Frightening Mix of Math
In this addition and subtraction instructional activity, students add or subtract two digit numbers with two digits numbers. The instructional activity is a combination of 36 multiplication and subtraction problems.
Curated OER
A Frightening Mix of Math
For this addition and subtraction worksheet, students add or subtract two digit numbers by two digit numbers. The worksheet has 36 problems for the students to practice the skill. The worksheet is Halloween themed.
Curated OER
Subtracting 3
In this subtraction learning exercise, students solve a set of 25 problems using 1 and 2-digit numbers and subtracting 3. A website reference for additional resources is given.
Curated OER
Subtracting Four
In this subtraction worksheet, students solve a total of 25 problems using 1 and 2-digit numbers and subtracting 4. A website reference for additional resources is given.
Curated OER
Subtracting Twos (A)
In this subtraction review worksheet, students use problem solving skills to solve 21 problems that require them to subtract 2 from various 1 digit numbers.
Curated OER
Subtract by Finding Difference-Counting On
In this subtraction worksheet, students solve a total of 10 problems, first "counting on" to solve, then determining whether to partition or count on to complete additional problems.
Curated OER
Subtracting Within the Same Ten
For this subtraction worksheet, students subtract one digit numbers from one and two digit numbers with the same 10. Students complete 8 sets of problems.
Curated OER
Take Whole Tens
In this subtraction activity, students practice subtracting 10 number and word problems involving double-digit numbers. Students put their answers in the boxes provided.
Curated OER
Estimating Differences (Online Interactive)
In this estimating worksheet, students solve 20 problems in which two or three digit numbers are subtracted after rounding. Students round each number and then give an estimated answer. This is an online interactive worksheet.
Curated OER
Subtracting From 100
In this subtraction activity, students subtract 2-digit numbers from 100. Answers are included on page 2. Worksheet gives a reference web site for additional activities.
Curated OER
Use Negative Numbers
In this problem solving worksheet, students read and solve 6 story problems pertaining to borrowing and paying back money. Students use instead simple subtraction and addition. No answers will be negative numbers.
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...
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...
Curated OER
It's Time to Practice!
Telling time is easy, but if you're learning how to tell time in another language, it can be a tough adjustment! Give your middle and high school beginners this two-page learning exercise to review time related vocabulary.
DK Publishing
Counting Caterpillars
These caterpillars each have a number sequence printed on their segmented bodies, but some numbers are missing! Look at the completed caterpillars as an example, asking kids to notice a possible pattern. They should observe that the...
Curated OER
Identifying Patterns
Find the pattern! Eighteen number sequences challenge scholars to identify and complete the pattern, adding at least four digits to the given numbers. All the sequences here involve skip counting by various single-digit numbers,...
Illustrative Mathematics
Identifying Multiples
Administer an activity that fosters a child's understanding of multiples. Young mathematicians are guided to complete three tasks on a multiplication chart. Once they color the boxes with multiples of two, three, and four, learners...
Inside Mathematics
Graphs (2006)
When told to describe a line, do your pupils list its color, length, and which side is high or low? Use a learning exercise that engages scholars to properly label line graphs. It then requests two applied reasoning answers.