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Features

  • Two quick questions a ticket
  • An "I can" line and three faces for students to rate themselves
  • Take away tens, count back by tens, and jump back on an open number line
  • Subtract the tens and the ones, and break apart the number you take away
  • Trade a ten with base-ten blocks, and subtract in columns with regrouping
  • Count up to subtract, check by adding, subtract from 100 and from tens, and find missing numbers
  • Ticket 5.10 (estimate to check a difference) is for the states that teach it in 2nd grade
  • Answer keys for every ticket

Skills Covered

  • Take away tens; count back by tens
  • Subtract on an open number line
  • Subtract the tens and the ones
  • Break apart the number you take away
  • Trade a ten with base-ten blocks
  • Subtract in columns with regrouping
  • Count up to subtract, check by adding
  • Subtract from 100 and from tens
  • Missing numbers within 100
  • Estimate to check a difference

How to Use This Pack

Ten exit tickets, one for each lesson of a 2nd grade unit on subtracting within 100, in lesson order. Each page holds one lesson's ticket four times: copy the page, cut on the dashed lines, and seven copies give a class of 28 a ticket each. A ticket takes a few minutes at the end of the lesson. Students answer two questions, then circle a face beside the lesson's "I can" line to show how sure they feel.

In the Classroom

Hand out the tickets in the last five minutes of the lesson and collect them at the door. Sort them into three piles (got it, almost, not yet) to plan tomorrow's small groups. The faces show how students feel about the lesson, the answers show what they can do; the two do not always agree. On the number line and blocks questions, the key shows one way; any way that works is right. Ticket 5.4 asks for the number taken away broken into tens and ones (25 as 20 and 5). Ticket 5.10 (estimate to check a difference) is for the states that teach it in 2nd grade; skip it if your class does not. The unit test is a separate pack, and no ticket asks one of its problems.

At Home

Use a ticket as a quick check after practicing a skill together. Ask your child to check each subtraction by adding the answer to the number taken away.

Tips for Success

  • Keep base-ten blocks and a hundreds chart on the tables
  • Ask "Are there enough ones?" before every subtraction
  • Have students check each answer by adding
  • On the number line, look for jumps of ten before the ones
  • Keep the tickets for each lesson to see who has caught up

Common Core Standards Alignment

This pack supports the following Common Core State Standards for Mathematics:

  • 1.OA.B.4 Treat subtraction as finding a missing addend: to solve 12 - 9, ask what added to 9 makes 12.
  • 1.OA.D.8 Solve for the missing number in adding or subtracting equations like 9 + ? = 15 or ? - 4 = 6.
  • 2.NBT.B.5 Add and subtract to 100 fluently with place-value strategies, properties of addition, or the link between adding and subtracting.
  • 2.NBT.B.6 Find the sum of two, three or four two-digit numbers using place value and properties of addition.
  • 2.NBT.B.7 Add and subtract to 1,000 with models and place-value strategies, working hundreds, tens and ones separately and regrouping tens or hundreds as needed.
  • 2.NBT.B.9 Tell why an adding or subtracting method gives the right answer, reasoning from place value and number properties.
  • 2.MD.B.6 Show whole numbers as distances from 0 on an evenly marked number line, and show sums and differences up to 100 as jumps on it.
  • 3.NBT.A.1 Use place value to decide which ten or hundred a whole number is closest to, and round to it.

© Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.

2nd Grade Subtraction Within 100 Exit Tickets

2nd Grade

Exit tickets for every lesson of a unit on subtracting within 100. Each page holds one ticket four times to cut apart, with questions on open number lines, breaking a ten, counting up, subtracting in columns and checking by adding.

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What’s Included

  • 10 exit tickets, one for each lesson of the unit
  • Each ticket four times on its page, to copy and cut apart
  • An "I can" line with three faces on every ticket
  • Answer keys for every ticket (20 pages in all)
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