Adding Multiples of 10 to 2-Digit Numbers Worksheets | 1st Grade Math

Ribbit — ESL/EFL Worksheet Resource

This 10-page set gives Grade 1-2 students column-addition practice adding a multiple of ten (10, 20, 30...) to a 2-digit number. Every page opens with a worked example using base-ten block pictures (7 tens + 4 ones, plus 2 tens, makes 9 tens + 4 ones) that shows why the ones digit never changes when adding a multiple of ten, before 12 vertical addition problems for practice. 120 problems in total across the set. What's Included: • 10-page printable PDF • 120 vertical addition problems adding a multiple of 10 to a 2-digit number • A base-ten block worked example on every page Skills Practised: • Adding multiples of ten to a 2-digit number • Place value (tens and ones) • Mental-maths shortcuts for adding tens Perfect for: • Grade 1-2 maths lessons on place value and addition • ESL/EFL classrooms building numeracy vocabulary alongside maths • Homeschool maths practice Just print and go — no prep needed!