Explorers
Hands-on units that build one idea at a time.
Word Problems
Real-world, multi-step problems where students compare three possible plans, do the calculations, and decide which solution they would recommend.
Number Facts
Printable addition and subtraction practice, each bundle bringing together three coordinated sets.
Number Bonds Within 10
Three-set bundle · Set 1 Addition & Subtraction, Set 2 Five & Ten Frames, Set 3 Related Facts
Printable PDF
Addition & Subtraction Within 20
Complete collection · Number lines, word problems, fact families
Printable PDF
Individual practice sets
Choose one focused set, or explore the complete collections above.
Number Bonds Within 10: Set 1
9-page PDF
Addition & subtraction · 4 practice pages + answer keys
Number Bonds Within 10: Set 2
9-page PDF
Five-frames & ten-frames · 4 practice pages + answer keys
Number Bonds Within 10: Set 3
9-page PDF
Related facts & number pairs · 4 practice pages + answer keys
Addition & Subtraction Within 20: Set 1
6-page PDF
Four practice pages · Number lines · Separate answer key
Addition & Subtraction Within 20: Set 2
6-page PDF
Four practice pages · Number lines · Separate answer key
Addition & Subtraction Within 20: Set 3
6-page PDF
Four practice pages · Number lines · Separate answer key