Common Core

1.NBT.A.1

7 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.

Grade 1 Math · Chapter 1 · Lesson 7

Find one more or one less without recounting.

Grade 1 Math · Chapter 4 · Lesson 4

The tens digit always comes first.

Grade 1 Math · Chapter 4 · Lesson 6

Keep going past ten, including the tricky bit at 19.

Grade 1 Math · Chapter 4 · Lesson 7

Start anywhere and keep going, forwards or backwards.

Grade 1 Math · Chapter 7 · Lesson 1

Count to 40 and find the pattern that repeats.

Grade 1 Math · Chapter 7 · Lesson 8

Move in all four directions and say where you will land.

Grade 1 Math · Chapter 10 · Lesson 4

Keep counting past 100.