:Bank Account

Approach: One to one Level: Year 4 and year 8 Focus: Relating money transactions to a graph of them. Resources: Graph, ruler (to align graph bars with axis markings). 140KB
Questions/instructions: Put graph and ruler in front of student. This graph shows someone’s bank account. Point to the word dollars. Up this side is the amount of money the person has. Point to the word time. Along the bottom are the days of a week. Have a careful look at the graph then tell me a story to explain what is happening with the money. Point to the beginning of the graph.
			% responses
			y4	y8
Story gives daily balance:	Monday:	$10	64	71
	Tuesday:	$20	60	59
	Wednesday:	$20	57	49
	Thursday:	$16	5	12
		15	6	9
	Friday:	$16	4	11
		15	5	9
	Saturday:	$10	51	44
Story explains deposits and withdrawals:	Monday —> Tuesday	$10 deposit	14	31
		other or unspecified	15	26
	Wednesday —> Thursday	$4 withdrawal	0	11
		other or unspecified withdrawal	28	45
	Friday —> Saturday	$6 withdrawal	0	8
		other, or unspecified withdrawal	25	45
Total score:		10–14	2	9
		8–9	8	13
		6–7	14	23
		4–5	33	21
		2–3	14	15
		0–1	29	19
Commentary Less than half of the year 8 students and quarter of the year 4 students gave a fairly full, accurate account of the graph.

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