These simple addition worksheets and activities for numbers 1-10 will keep your Kindergarten or First Grade math centers busy with a fun and engaging space theme. Your students will have so much fun with hands-on activities and printable worksheets! Comes with UK and US spelling plus answer sheets.

Worksheets (2 sheets of each)

• Addition with pictures

• Vertical addition using pictures

• Addition sum with numbers only

• Addition complete the sum

• Addition with number lines

• Complete the number bonds

Hands-on Activities

• Counting craters – make the sum

• Make 10 Puzzles

• Color by number simple addition (5 sheets)