Letters for Unknown Numbers Exit Tickets
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Letters for Unknown Numbers Exit Tickets
Letters for Unknown Numbers Exit Tickets, Grade 3: four exit tickets to cut apart, each with two or three questions on letters for Unknown Numbers, a name line and three faces to circle. Hand one out in the last five minutes of a lesson. With an answer key.
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Teach it first
A Letter for an Unknown NumberA teaching handout to hand out before this sheet: the rule, worked examples and common mistakes.- Pages
- 1
- Last updated
- Time
- About 5 minutes
- Answer key
- Included
- Goes with
- Letters for Unknown Numbers
- Printing
- Black and white
- Related curriculum
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Solve equations such as x + 7 = 15 and 4x = 28 by doing the inverse operation to both sides, check the answer by putting it back in, and write an equation for a word problem.
Reviewed by Ms. Olivia Parker, Teacher. How we check worksheets
How to use this sheet
- Have the child say what is being done to the variable, then do the opposite to both sides.
- Write the step on both sides, one under the other, so nothing is done to one side only.
- Have the child check each answer by putting it back into the equation.
Common mistakes
- Doing the operation on one side only. Whatever is done to one side is done to the other.
- Using the same operation instead of the opposite, so x + 5 = 12 becomes x = 17.
- For 3x = 12, subtracting 3. The 3 multiplies x, so divide by 3.
