When I subtract 0 from ANY number, what will the answer always be?
The starting number
When I subtract 1 from ANY number, what will the answer be?
One less than the starting number
Using the counting up or counting back method, what is 17-4?
13
If I have the fact family 2, 5, 7, what is one addition number sentence?
2+5=7
5+2=7
What is the value of a quarter?
25 cents
What is 8-0?
8
What is 17-1?
16
When I use the counting up method, do I start at the smaller or bigger number?
smaller
If I have the fact family 8, 10, 18, what is one addition number sentence I could use?
8+10=18
10+8=18
What us worth 10 cents?
A dime
What is 15-0?
What is 29-1?
28
When I use the counting back method, do I start at the smaller or bigger number?
Bigger
If I have the fact family 9, 10, 19, what are the two addition number sentences I could use?
9+10=19 and 10+9=19
student answer
What is 171-0?
171
What is 56-1?
55
Using either method, what is 28-11?
17
If I have the fact family 7,7,14 why do I only need to use one addition number sentence?
7+7=14 is a doubles fact
How many dimes would I need to make a dollar (100 cents)?
10 dimes
8,000
What is 142-1?
141
Using either method, what is 32-19?
13
What are the four number sentences for this fact family - 7, 8, 15?
7+8=15
8+7=15
15-8=7
15-7=8
How much money do I have if I have 4 quarters?
$1