2nd Grade
Math Warm-Ups
(From Steve Wyborney)
Splat through 10:
Splat through 20
Multiple Splats
Number and Operations in Base Ten: Addition and Subtraction
The four games that can be played with this applet help to develop counting and addition skills.
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Students select a target number between 10-20 and find missing addends to make the target number.
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Adding strings of addends.
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Students use their knowledge of addition, place value, and strategic thinking to try to get as close to 1,000 as possible.
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Students use their knowledge of addition, place value, and deductive reasoning to determine what the secret two-digit number is.
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Students practice subtraction within 1,000 as they race to get to zero.
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La Diferencia Más Grande Gana (Spanish)
Students build procedural fluency with subtraction by finding the difference between 2-digit numbers or 3-digit numbers.
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La Suma Más Grande Gana (Spanish)
Students build procedural fluency with addition by finding the sum of 2-digit numbers or 3-digit numbers.
Open Middle Task: Create an Equation
Students use only the digits 1 to 7, at most one time each, to fill in the boxes to create a true equation.
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Open Middle Task: Adding Two-Digit Numbers (Elementary)
Students use the digits 1 to 9 at most one time each, to fill in the boxes to make the smallest (or largest) sum.
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Open Middle Task: Subtracting Two-Digit Numbers (Elementary)
Students use the digits 1 to 9 at most one time each, fill in the boxes to make the smallest (or largest) difference.
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Open Middle Task: Adding and Subtracting Two-Digit Whole Numbers
Students use the digits 0 to 9, at most one time each, to make a true statement.
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3-Act Task Virtual Facilitation Guide
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Recommended 3-Act Tasks:
(3-Act Task by Graham Fletcher)
Addition & Subtraction Within 100
(3-Act Task by Graham Fletcher)
Addition & Subtraction Within 1000
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Five-in-a-Row: Subtraction with Three Cubes
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Close to 100 (printable)
