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Features

  • Every lesson of the unit, in the same kinds of story as the test
  • Solve a take from story on an open number line, a put together story and a compare story, and find the change or the start
  • Circle the number sentence that matches a story
  • Draw a bar model for a story, and solve a two-step story with a number sentence for each step
  • Add three numbers by first adding the two whose ones make a ten
  • Every story uses numbers within 100 and has one answer
  • The last question (writing a story for a number sentence) is for the states that teach it in 2nd grade
  • Answer keys name the lesson and skill of every question

Skills Covered

  • Add to and take from within 100
  • Show the work on an open number line
  • Put together and take apart
  • Compare: how many more, how many fewer
  • Change unknown and start unknown
  • Draw a bar model to solve
  • Two-step stories: a number sentence for each step
  • Three numbers: the ones that make a ten first
  • Choose the number sentence that matches
  • Write a story for a number sentence

How to Use This Pack

Two pages that go over the whole unit on story problems within 100, to do together the day before the test. Its 10 questions take every lesson of the unit in the same kinds of story as the test, with other numbers, so nothing on the review is on the test. The last one (writing a story for a number sentence) is for the states that teach it. For most stories students write a number sentence, with + or − in the circle, and the answer with its unit. There is no Score line: it is practice, not a grade. The pre-check and the unit test are packs of their own.

In the Classroom

Do the review together the day before the test, reading the stories aloud. Work a story, then let students try the next one on their own, and stop on any that trip up more than a few. Ask before each one: do more come, do some go away, or are we comparing? The keys show one number sentence for each story; any sentence that fits the story is right. The keys name each question's lesson, so a question the class misses points to the lesson to go back to.

At Home

Use the review as practice before a test at school. Read each story together, and ask your child to tell it back in their own words before solving it: do more come, do some go away, or are we comparing?

Tips for Success

  • Read each story twice: once to picture it, once to find the question
  • Ask: do more come, do some go away, or are we comparing?
  • A bar model shows the parts and the whole before any adding
  • In a two-step story, the answer to step 1 is a number in step 2
  • Go back to the lesson the key names for a question the class misses

Common Core Standards Alignment

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

  • 1.OA.D.8 Solve for the missing number in adding or subtracting equations like 9 + ? = 15 or ? - 4 = 6.
  • 2.OA.A.1 Solve one- and two-step story problems with sums and differences up to 100, with the unknown in any position, using drawings and equations.
  • 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.

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

2nd Grade Word Problems Unit Review

A review of the unit on story problems within 100, to go over together the day before the test. Students solve take from, put together, compare, change and start unknown stories, draw a bar model, solve a two-step story and add three numbers.

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What’s Included

  • A two-page review of every lesson in the unit (10 questions)
  • Answer keys that name each question's lesson and skill (4 pages in all)
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