Grade 1
Grade 4
Addition & Subtraction to 20
Strategies for adding and subtracting within 20.
Learning support
Turn on visual aids or autism-friendly layout above for step cards and simplified summaries on this topic.
Easy
Strategies for adding and subtracting within 20. (Easy level)
5 quiz questions · study guide included
Run library seed to publish this setMedium
Strategies for adding and subtracting within 20. (Medium level)
5 quiz questions · study guide included
Run library seed to publish this setHard
Strategies for adding and subtracting within 20. (Hard level)
5 quiz questions · study guide included
Run library seed to publish this setFinal Exam
Strategies for adding and subtracting within 20. (Final Exam level)
5 quiz questions · study guide included
Run library seed to publish this set