3rd Grade - Weekly 5: Math in Tech

2.NBT.3 Identify numbers to 1,000
 

Identify numbers to 1,000 using expanded form
 

2.NBT.8 Mentally add and subtract 10 or 100 to a number between 100 and 900
 

Mental addition and subtraction
 

2.NBT.4 Compare numbers to 1,000
 

Comparing 4-digit numbers
 

2.OA.2a Add numbers to 20
 

3.NBT.2a Add 3-digit numbers
 

2.OA.2b Subtract numbers within 20
 

3.NBT.2b Subtraction 3-digit numbers
 

 2.NBT.5a Add 2-digit numbers
 

 3.NBT.2a Add 3-digit numbers
 

2.NBT.5b Subtract 2-digit numbers
 

3.NBT.2b Subtraction 3-digit numbers
 

Addition and subtraction speed of fluency practice