Add Whole Tens Together is a free printable Grade 1 maths worksheet on adding two multiples of ten, aligned to Common Core standard 1.NBT.C.4. It prints 12 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.
Set 5 of 25 · the same problems every time you open this link.
Next set1.NBT.C.4
Work out each answer.
LessonPrint · 1.NBT.C.4 · Set 5 · free to copy for classroom use
Set 5. Prints on its own sheet.
Last reviewed 2026-09-05. Aligned to 1.NBT.C.4 of the Common Core State Standards for mathematics.