Common Core: Number & Operations in Base Ten
4.NBT.B4
Fluently add and subtract multi-digit whole numbers using the standard algorithm.
October 1, 20184.NBT.A3
Use place value understanding to round multi-digit whole numbers to any place.
October 1, 20184.NBT.A2
Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two multi-digit numbers based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.
October 1, 20184.NBT.A1
Recognize that in a multi-digit 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.
October 1, 20183.NBT.A2
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
October 1, 20183.NBT.A1
Use place value understanding to round whole numbers to the nearest 10 or 100.
October 1, 20182.NBT.B8
Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.
October 1, 20182.NBT.B9
Explain why addition and subtraction strategies work, using place value and the properties of operations.1
October 1, 20182.NBT.B7
Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and … Read More “2.NBT.B7”
October 1, 20182.NBT.B6
Add up to four two-digit numbers using strategies based on place value and properties of operations.
October 1, 20182.NBT.B5
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
October 1, 20182.NBT.A4
Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.
October 1, 2018