2nd Grade

Math Warm-Ups

Splat Math

(From Steve Wyborney)

 

Splat through 10:

Splat 1.1

Splat 1.2

Splat 1.3

Splat 1.4

Splat 1.5

 

Splat through 20

Splat 2.1

Splat 2.2

Splat 2.3

Splat 2.4

Splat 2.5

 

Multiple Splats

Splat 3.1

Splat 3.2

Splat 3.3

Splat 3.4

Splat 3.5

Talking Math

(from Illustrative Math)

Visuals to use for synchronous class discussions.

Number and Operations in Base Ten: Addition and Subtraction

Common Core Standards

Ten Frame Game

The four games that can be played with this applet help to develop counting and addition skills.

 

Math Lines Addition

Students select a target number between 10-20 and find missing addends to make the target number.

 

Deep Sea Duel

Adding strings of addends.

 

 

 

 

Close to 1000    

Students use their knowledge of addition, place value, and strategic thinking to try to get as close to 1,000 as possible.

Close to 1,000 Video Demo

 

Digit Place

Lugar del Dígito (Spanish)

Students use their knowledge of addition, place value, and deductive reasoning to determine what the secret two-digit number is.

Digit Place Video Demo

 

Get to Zero

Llegue a Cero (Spanish)

Students practice subtraction within 1,000 as they race to get to zero.

 

Greatest Difference Wins

La Diferencia Más Grande Gana (Spanish)

Students build procedural fluency with subtraction by finding the difference between 2-digit numbers or 3-digit numbers. 
 

Greatest Sum Wins

La Suma Más Grande Gana (Spanish)

Students build procedural fluency with addition by finding the sum of  2-digit numbers or 3-digit numbers. 

Video Demo of Greatest Sum Wins   

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.

 

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.

 

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.

 

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.

 

3-Act Task Virtual Facilitation Guide

 

Recommended 3-Act Tasks:

 

The Whopper Jar

(3-Act Task by Graham Fletcher)

Addition & Subtraction Within 100

 

The Juggler

(3-Act Task by Graham Fletcher)

Addition & Subtraction Within 1000

 

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