Write addition and subtraction sentences

key notes:

✏️ Addition Sentences (+)

🔑 Key Points:

  • ➕ Addition means putting things together.
  • It is shown using the plus sign (+).
  • An addition sentence shows numbers being added.

🧩 Structure:

  • Number + Number = Total
  • Example: 3 + 2 = 5

📌 Tips:

  • Count objects to find the total.
  • Start from the bigger number to add faster.
  • Use fingers, drawings, or objects.

➖ Subtraction Sentences (−)

🔑 Key Points:

  • ➖ Subtraction means taking away.
  • It is shown using the minus sign (−).
  • A subtraction sentence shows what is left.

🧩 Structure:

  • Number − Number = Answer
  • Example: 5 − 2 = 3

📌 Tips:

  • Start with the total and take away.
  • Count backward to find the answer.
  • Use objects or drawings to help.

🔄 Relationship Between Addition & Subtraction

They are opposites.

Example:

  • 3 + 2 = 5
  • 5 − 2 = 3

🧠 Practice Ideas:

Look at pictures and write sentences.

Make your own stories:

  • “I have 4 candies, I get 2 more → 4 + 2 = 6”
  • “I have 6 candies, I eat 2 → 6 − 2 = 4”

⭐ Important Words:

  • Addition: add, plus, total, altogether
  • Subtraction: take away, minus, left, difference

Learn with an example

➡️ 81 minus 53 equals 28.

Write this as a subtraction number sentence (using − and =)._____

  • Change the words to signs. The words “minus” tell you to subtract. Use “−” to show when to subtract. The word “equals” tells you the difference. Use “=” to show the difference.
  • 81 minus 53 equals 28.
    81 − 53 = 28
  • The subtraction number sentence is 81 − 53 = 28.

➡️ 48 subtracted from 74 is 26.

Write this as a subtraction number sentence (using − and =).___

  • Change the words to signs. The words “subtracted from” tell you to switch the numbers, then subtract. Use “−” to show when to subtract. The word “is” tells you the difference. Use “=” to show the difference.
  • 48 subtracted from 74 is 26.
    74 − 48 = 26
  • The subtraction number sentence is 74 − 48 = 26.

➡️ Sixteen plus seventy-one makes eighty-seven.

Write this as an addition number sentence (using + and =).____

  • First, write the numbers with digits, not letters.
  • Sixteen plus seventy-one makes eighty-seven.
    16 plus 71 makes 87.
  • Now, change the words to signs. The word “plus” tells you to add. Use “+” to show when to add. The word “makes” tells you the sum. Use “=” to show the sum.
  • 16 plus 71 makes 87.
    16 + 71 = 87
  • The addition number sentence is 16 + 71 = 87.

Let’s practice!🖊️