Fact Families
Choose the basic fact that could be used to complete the extended fact:
1,700 - 900 = _____
17-9=8
97 - 45
52
Estimate the difference using quarter rounding.
73 - 26
50
Which station played the most songs in one day?
Rock
What is the graph about?
the price of diesel fuel every month
Choose the basic fact that could be used to complete the extended fact:
____ - 90 = 50
14-9=5
62 - 39
23
Which place value was incorrectly regrouped?
56015
- 107
408
the tens place
How many more songs did the jazz station play on Monday than Tuesday?
5
Which month had the cheapest diesel?
May
Choose the basic fact that could be used to complete the extended fact:
130 - _____ = 60
13-7=6
385 - 77
308
Estimate the difference using quarter rounding.
228 - 41
175
On Tuesday, what was the difference between the number of rock songs and the number of rap songs?
40
What was the difference in the price of diesel for July and August?
$10
Choose the basic fact that could be used to complete the extended fact:
110 - _____ = 80
11-3=8
991 - 87
904
Name the error made in the problem.
(write a problem on the board)
The tens place
What was the total number of songs played for all three stations on Wednesday?
720
What was the price of diesel for May?
$435
DOUBLE JEOPARDY !!
DOUBLE JEOPARDY !!
How are Fact Families and Extended Facts similar and How are they different?
702 - 251
451
Estimate the difference using quarter rounding.
969 - 311
675
What was the difference between the number of songs played on the jazz station on Monday and Wednesday?
20
The price of diesel in October is $20 more than the price in September. What was the price of diesel in October?
$465