CCSS 1.NBT.C.6 Worksheets

Grade 1 · Number & Operations in Base Ten

Subtract multiples of ten from larger multiples of ten in the range 10 to 90 using place value.

Below are free printable worksheets that support 1.NBT.C.6. Print them as PDFs, or generate a fresh one. Every math answer key is computed in code, so it is never wrong.

Teaching guide

What students learn

Subtract multiples of ten from larger multiples of ten in the range 10 to 90 using place value.

How to teach it

Model 'take away' and 'difference' (counting up) with objects and a number line. For larger numbers, partition or use column subtraction with regrouping.

Worked example

1 - 1 =

Answer: 0

Generated and checked in code, so it is correct.

Watch out for

Subtracting the smaller digit from the larger in each column regardless of order, instead of regrouping.