1.NBT.C.4 1st Grade Adding Multiples of 10 to 2 Digit Number Worksheet
1st Grade Adding Multiples of 10 to 2 Digit Number Worksheets Printable PDF with Answers. Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value,