Connect 4 Subtraction Ballpark Estimates and Exact Answers (3.NBT.A.2)

Connect 4 Subtraction Ballpark Estimates and Exact Answers (3.NBT.A.2)
Connect 4 Subtraction Ballpark Estimates and Exact Answers (3.NBT.A.2)
Connect 4 Subtraction Ballpark Estimates and Exact Answers (3.NBT.A.2)
Connect 4 Subtraction Ballpark Estimates and Exact Answers (3.NBT.A.2)
Connect 4 Subtraction Ballpark Estimates and Exact Answers (3.NBT.A.2)
Connect 4 Subtraction Ballpark Estimates and Exact Answers (3.NBT.A.2)
Connect 4 Subtraction Ballpark Estimates and Exact Answers (3.NBT.A.2)
Connect 4 Subtraction Ballpark Estimates and Exact Answers (3.NBT.A.2)
Grade Levels
Common Core Standards
Product Rating
4.0
9 Ratings
File Type

PDF (Acrobat) Document File

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140 KB|12 pages
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Product Description
This resource is a helpful tool for your students to practicing finding ballpark estimates and exact answers with 2-digit and 3-digit subtraction problems. I have scaffolded the cards so that there are game boards with NO regrouping, SOME regrouping, and ALL regrouping.

1. Print this activity onto filler paper or cardstock.
2. Cut the games cards along the solid black lines. You should have 16 cards total.
3. Students form a 4 by 4 array with the cards facing down.
4. Players take turns selecting one card at a time. In order to win the card, the student who selected the card must CORRECTLY give a ballpark estimate (round to nearest hundred or nearest ten) AND an exact answer.
5. Once a card has been won, it faces up and the player that won the card places a colored chip or marker on it to show that it is theirs.
6. The objective of the game is to connect 4 cards together in any way possible to win.

OR

1. Laminate the sheets and use it as a game board without having the students cut them into individual cards.

My students do not play with the traditional horizontal, vertical, and diagonal ways of winning. Any way in which they can connect four squares is considered a win.

You can differentiate with this activity as well. It includes subtraction at these three levels:

- 2 digit subtraction with NO regrouping
- 2 digit subtraction with SOME regrouping
- 2 digit subtraction with ALL regrouping
- 3 digit subtraction with NO regrouping
- 3 digit subtraction with SOME regrouping
- 3 digit subtraction with ALL regrouping

Enjoy!
Total Pages
12 pages
Answer Key
Included
Teaching Duration
N/A
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$1.00
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