S.12 Write addition and subtraction sentences

Write addition and subtraction sentences

key notes:

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.

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