Base Ten Worksheets - TheWorksheets.CoM - TheWorksheets.com Base Ten Blocks Sheet 1 - Math Worksheets 4 Kids. Printable Math Worksheets @ 1) 70 + =23 2) 55 + =64 3) 38 + =82 4) 69 + =16 5) 50 + =53 6) 70 + =48 7) 26 + =26 93 120 103 52 8) 90 + =54 119 85 118 144 Name : Score : Base Ten Blocks Answer Key ... Free Math Worksheets. Base Ten Blocks Worksheet -- Trading Units for ...