Number and operations. The student applies
mathematical process standards to develop and use strategies and methods for
whole number computations in order to solve addition and subtraction problems
with efficiency and accuracy. The student is expected to:
Use a range of addition and subtraction strategies to solve twenty word problems that contain numbers 1–50.
Warm-up your students' brains each day with this 68-slide PowerPoint containing a variety of quick activities.
A set of 40 matching cards to explore the number combinations of 20.
Develop a love of addition facts with this multiplayer Valentine’s Day board game.
A set of 22 matching cards to explore the number combinations of 10.
Practice the “near doubles” addition strategy to solve addition problems to 20.
Practice adding four 2-digit numbers together with this set of 16 task cards.
Practice adding 2-digit and 1-digit numbers with this set of 18 number sentence task cards.
Practice adding 2-digit numbers with this set of 18 number sentence task cards.
Solve a multi-step problem and explain the mathematical reasoning behind the process with this simple worksheet.
Practice 2-digit subtraction with this set of 18 task cards.
Practice addition involving 2- and 1-digit numbers with this drill and practice worksheet.
Practice solving 1- and 2-step word problems by adding and subtracting 2-digit numbers with this set of 16 task cards.
Use addition to solve subtraction problems with this worksheet.
Practice 2-digit addition with regrouping with this drill and practice worksheet.
Practice 2-digit subtraction with regrouping with this drill and practice worksheet.
Practice adding 2-digit and 1-digit numbers with this set of 16 word problem task cards.
Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.
Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.
Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.
Familiarize students with adding single-digit numbers using this set of practice mats.
Build addition strategies using digits 1-10 with this two-page decomposing numbers worksheet.
Solve addition problems in this 2-page Counting On Addition Worksheet.
An engaging subtraction algorithm teaching presentation.
An animated teaching presentation focused on the addition algorithm.
Practice finding sums up to 12 with this fun Halloween pumpkin game!
Addition and subtraction game cards demonstrating the relationship between fact families.
Practice matching two numbers that add up to 10 with this set of 24 number cards.
A cut and paste worksheet to practice finding the missing addend when making ten.
A set of mazes where students find missing addends to solve the maze.