Addition Tables (adding tens to 3 digit numbers) WORKSHEET
Suitable for Grades: 2nd Grade, 3rd Grade
CCSS: 2.NBT.B.8, 3.NBT.A.2
CCSS Description: Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.
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.
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.
Addition Tables (adding tens to 3 digit numbers) WORKSHEET DESCRIPTION
These addition grids enable children to understand the commutative property of addition as they find the sum of numbers at the top of each column and start of each row.
Numbers throughout this worksheet have been carefully selected to build students' confidence in mentally adding to three digit numbers. The first line of questions sees students adding multiples of tens to multiples of 100 and progresses to adding multiples of 10 to any three digit number. There are 36 questions to answer in total. Some regrouping is required.
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