ALEX Classroom Resources

ALEX Classroom Resources  
   View Standards     Standard(s): [MA2019] (3) 8 :
8. Determine and justify solutions for two-step word problems using the four operations and write an equation with a letter standing for the unknown quantity. Determine reasonableness of answers using number sense, context, mental computation, and estimation strategies including rounding.
[MA2019] (4) 3 :
3. Determine and justify solutions for multi-step word problems, including problems where remainders must be interpreted.

a. Write equations to show solutions for multi-step word problems with a letter standing for the unknown quantity.

b. Determine reasonableness of answers for multi-step word problems, using mental computation and estimation strategies including rounding.

[MA2019] (4) 9 :
9. Round multi-digit whole numbers to any place using place value understanding.
Subject: Mathematics (3 - 4)
Title: Estimate Whole Numbers StudyJam
URL: https://studyjams.scholastic.com/studyjams/jams/math/problem-solving/psestimate-whole-numbers.htm
Description:

In this interactive activity, students will be led through steps to estimate numbers by rounding in order to make problems easier to solve. There are teaching activities as well as practice activities available. A handout that reviews the strategies taught during the activity can be printed. After utilizing this resource, the students can complete the short quiz to assess their understanding.



ALEX Classroom Resources: 1

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