Grade 4  Number & Operations in Base TenGeneralize place value understanding for multidigit whole numbers. 
CCSS.Math.Content.4.NBT.A.1  Recognize that in a multidigit whole number, a digit in one place represents ten times what it represents in the place to its right. For example, recognize that 700 ÷ 70 = 10 by applying concepts of place value and division.  
CCSS.Math.Content.4.NBT.A.2  Read and write multidigit whole numbers using baseten numerals, number names, and expanded form. Compare two multidigit numbers based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.  
CCSS.Math.Content.4.NBT.A.3  Use place value understanding to round multidigit whole numbers to any place.  Know & Show 3&4: Yakity Yak, You Rule Know & Show 5&6: Yakity Yak  
These First in Math activities integrate several standards within the above cluster.
 Know & Show 3&4: Numbers Zoo, Missing Links Know & Show 5&6: Numbers Zoo, You Rule, Missing Links 
Use place value understanding and properties of operations to perform multidigit arithmetic. 
CCSS.Math.Content.4.NBT.B.4  Fluently add and subtract multidigit whole numbers using the standard algorithm.  Skill Set 3: Game 3 Skill Set 4: Game 1, Game 2, Game 3 Know & Show 3&4: Missing Links Know & Show 5&6: Yakity Yak, Get a Clue 
CCSS.Math.Content.4.NBT.B.5  Multiply a whole number of up to four digits by a onedigit whole number, and multiply two twodigit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.  
CCSS.Math.Content.4.NBT.B.6  Find wholenumber quotients and remainders with up to fourdigit dividends and onedigit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.   
These First in Math activities integrate several standards within the above cluster.
 Know & Show 5&6: Yakity Yak, Get a Clue 
