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***BEST SELLER*** This is a FANTASTIC math center to get your students to apply what they've learned about rounding as they practice adding and subtracting within 1000. The directions are easy to follow: Students work to solve each story problem in order to find the matching estimated sum or differ
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CCSS:
\$4.00
250 Ratings
4.0

PDF (2.03 MB)

A set of 32 estimating sums and differences decimals task cards for your students to practice their decimal computation skills! Engage your students in several different scenarios in which they practice rounding decimals and finding estimated sums and differences. You can use these in math centers
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\$2.75
372 Ratings
4.0

PDF (49.96 MB)

Estimating Sums and Differences gives you 40 task cards that are aligned to the common core math standards and practices. This topic is aligned with Envision Math Topic 2 and covers CCSS 3.NB.1 and 3.NB.2 Use them for remediation, practice, in centers, or games like SCOOT! Included: blank maste
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CCSS:
\$3.00
188 Ratings
4.0

PDF (3.95 MB)

Ready to go! Notes, practice pages and word problems! Answer keys too! Everything you need to practice estimating addition and subtraction problems. Included: * 1 page notes for estimating addition and subtraction * 1 page notes for estimating with word problems * 3 pages estimating addition and
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\$4.00
69 Ratings
4.0

PDF (777.2 KB)

These estimating sums and differences task cards are perfect for 4th graders to use during math workshop. This will help your students meet the common core objective 4NBT.3-4 - using rounding to any place value as well as applying computation skills. If your 5th graders need some basic review, thi
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\$1.75
\$1.50
193 Ratings
4.0

PDF (708.27 KB)

Use Benchmark Decimals to Estimate Sums and Differences! Decimal benchmarks are decimals that are easily recognizable and include the 0, 0.25, 0.50, 0.75 and 1. Students are asked to round decimals to the nearest benchmark decimal (0, 0.25, 0.50, 0.75 and 1) and then add or subtract the 'rounde
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\$3.00
67 Ratings
4.0

PDF (3.14 MB)

Are you looking for a fun, engaging activity for your students to practice knowledge of rounding and estimating differences and sums? This task card game makes reviewing estimating sums and differences fun for your 3rd-6th grade students! Included in this resource are 32 task cards, 2 game boards (1
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\$3.50
26 Ratings
4.0

PDF (3.07 MB)

This is a great set of 2 digit and 3 digit word problems which require your students to practice rounding and estimating solutions to addition and subtraction situations. Ready to Go! Just print the 1/2 sheet cards and hang them around your room. Give the students the record sheet to solve the pro
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\$3.00
46 Ratings
4.0

PDF (1.25 MB)

Estimating Sums and Differences of Decimals This includes twenty-four task cards for helping your students practice estimating sums and differences of decimal numbers by rounding to the nearest whole number. There are six task cards to a page, making printing easy and cost effective. An answer key
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\$2.75
99 Ratings
4.0

PDF (4.87 MB)

This is a set of three rounding numbers games. Cards and instructions are included to play three different games that have kids practice their rounding to the nearest ten skills, as well as their addition, subtraction and multiplication skills. The three games included are Estimating to find Sums,
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\$2.00
43 Ratings
4.0

PDF (9.37 MB)

A fun activity using full color Shopping Cards (Included) to teach and reinforce estimating sums and differences in whole numbers and decimals. This is a very engaging activity that shows students real world applications of this skill. Check out my FULL Decimals Shopping Bundle by clicking here!
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\$1.00
77 Ratings
3.9

PDF (500.15 KB)

Easy-to-follow scaffolded worksheets guide your students' thinking through the multi-step process of estimating sums and differences of 2-digit numbers. Your students will thank you for breaking down this daunting task into easy steps, starting with the art of rounding up and rounding down.
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\$1.75
86 Ratings
4.0

PDF (537.51 KB)

Estimating Sums and Differences Task Cards - Bundle Looking for a fun whole-group or small group activity to practice knowledge of rounding and estimating differences and sums? Use as task cards -OR- SCOOT- a fantastic *quiet* game that gets your kids up and moving around the room. This purchase
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\$6.00
\$4.80
77 Ratings
4.0

Bundle

***BEST SELLER*** This is a FANTASTIC math center to get your students to apply what they've learned about rounding as they practice adding and subtracting within 1,000. The directions are easy to follow: Students work to solve each story problem in order to find the matching estimated sum or diffe
Subjects:
Types:
CCSS:
\$3.00
66 Ratings
4.0

PDF (2.63 MB)

This estimation game can be used easily as a center. This game is a good way for students to practice estimating sums and differences and correlates to the common core standards 4.OA.3 and 4.NBT.3. This contains 6 game boards with matching game cards and 3 different colored counters. The game boar
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\$6.25
37 Ratings
3.9

PDF (324.48 KB)

This packet includes 8 worksheets for practice with estimating sums and differences by rounding to the nearest ten and to the nearest hundred. 4 worksheets include basic problems in a format similar to that found in the Go Math curriculum. The other 4 worksheets include word problems. All answer ke
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CCSS:
\$2.00
57 Ratings
4.0

PDF (1.27 MB)

I love using partner name tag style task cards with my class!!!! You have got to try this version of task cards if you haven't before! Here is how they work... Simply print off the slides, cut along the dotted lines and fold in half just as you would a name tag. Assign each student a partner to wo
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\$2.00
43 Ratings
4.0

PDF (895.76 KB)

This purchase contains 36 task cards for estimating sums and differences. This pack of differentiated cards include: 12 cards with multiple choice answers 12 cards that require free response answers 12 challenge cards-giving students the sum or difference and having them come up with a number sente
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\$2.75
41 Ratings
4.0

PDF (3.57 MB)

Learn about estimating sums and differences in math with this PowerPoint pack. This is a zip file of two different PowerPoints. Estimating Sums PowerPoint : his is a Powerpoint all about estimating sums. First, students will investigate rounding to the nearest hundred as they view price tags for v
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\$5.75
39 Ratings
4.0

ZIP (34.92 MB)

This task cards set contains 28 task cards to help your students practice rounding to estimate sums and differences of whole numbers. There are a variety of question types which helps prepare students for the types of problems they will encounter on standardized tests. These task cards ask student
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\$2.00
34 Ratings
4.0

PDF (3.47 MB)

Estimating Sums and Differences gives you 48 task cards that are aligned to the common core math standards and practices. These cards are similar to the Halloween version, but have new questions and more word problems. This topic is aligned with Envision Math Topic 2 and covers CCSS 3.NB.1 and
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Types:
CCSS:
\$5.00
25 Ratings
4.0

PDF (12.74 MB)

I designed this practice page and test for my third graders. After they'd practiced rounding to the nearest ten and hundred, they had to practice rounding and then adding or subtracting. The test covers basic rounding to the nearest 10 and 100 and then estimating sums and differences. Some proble
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\$2.00
22 Ratings
4.0

PDF (320.32 KB)

Maximize the versatility of task cards to increase productivity in your classroom. What are task cards? Task cards are meant to assess procedural and conceptual understanding of the curriculum you taught to your students. Designed to challenge students, task cards will provide authentic feedback to
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\$2.50
27 Ratings
4.0

PDF (4.24 MB)

This is a game where students roll a die to make numbers and then estimate sums and differences. Students compete against one other student. This activity is great for practicing place value adn estimation of sums and differences.
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\$1.00
23 Ratings
4.0

PDF (78.16 KB)

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