Mathematics Grade 9 15 min

Balance subtraction equations - up to two digits

Balance subtraction equations - up to two digits

What you'll learn

  • Identify if a subtraction equation is balanced by checking if both sides equal the same number.
  • Solve for the missing number in a subtraction equation with one unknown, using numbers up to 20.
  • Explain, using drawings or manipulatives, how to make a subtraction equation balanced.
  • Apply knowledge of subtraction to create a new number sentence that balances a given subtraction equation (numbers up to 20).

Tutorial Preview

1

Find the value of x in: x - 10 = 30 - 5

2

Find the value of x in: 50 - x = 20 - 5

3

Find the value of x in: 45 - 15 = 60 - x

Sample Practice Questions

Easy
Find the value of x: x - 5 = 10 - 2
0.13
1.3
2.8
3.17
Easy
Find the value of x: 20 - x = 15 - 5
0.10
1.20
2.15
3.30
Easy
Find the value of x: 12 - 2 = 15 - x
0.5
1.10
2.25
3.13

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Frequently asked questions

What grade level is "Balance subtraction equations - up to two digits"?

Balance subtraction equations - up to two digits is a Grade 9 Mathematics lesson on ExcelOS.

What will I learn in Balance subtraction equations - up to two digits?

You'll be able to: Identify if a subtraction equation is balanced by checking if both sides equal the same number; Solve for the missing number in a subtraction equation with one unknown, using numbers up to 20; Explain, using drawings or….

Is "Balance subtraction equations - up to two digits" free to practice?

Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.

How many practice questions are included with Balance subtraction equations - up to two digits?

This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.

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