Number Agility

Counting and subitizing are the first number sense skills to develop and include students ability to count verbally and objects as well as subitizing. These skills are primarily developed in levels 1-7 beginning in students pre-school years and ending formal instruction as students complete the intermediate years and prepare to move to middle school.

Skill group	Skill descriptor	1	2	3	4	5	6	7
Subitizing	Dots	3	5	10	20	30	40	50
	Two colour dots				10	20	30	40
	With objects	3	5	10	20	30	40	50
	Copy with objects	3	5	10	20	30	40	50
Counting	To ____in sequence		5	10	20	100
	Objects and images to _____ with one-to-one correspondence	3	5	10	20	100
	Counts objects with one-to-one correspondence to determine how many	3	5	10	20	100
	Forward by ____ from zero		1	1	2	10	3	6
					5		4	7
								8
								9
	Forward by from any number			1	2	10	3	6
					5		4	7
								8
								9
	Backward by from a given number			1	2	10	3	6
					5		4	7
								8
								9
	Groups objects by ____ for effective counting			1	2	5	10	100

(Sarama & Clements, 2023) (BC Numeracy Network ; J. Novakoski ; D. Lightbody, 2021)