vocabulary
missing addend
fact families
subtracting
adding
100
when a number sentence is not true
false
100
3+ __ = 6
3
100
what is the addition fact family for 16 - 8 = 8
8+8=16
100
solve. 17 - 3 =
14
100
solve 4 + 2
6
200
when a number sentence is correct
true
200
4+____=6
2
200
what is the addition related fact for 10 - 4 = ____
6 + 4 = 10 or 4 + 6 = 10
200
solve. 10 - 4 =
6
200
solve 8 + 2 =
10
300
when you start at one place on the number line and subtract by counting out loud
What is counting back
300
___ + 8 = 11
3
300
What is the subtraction related fact for 11 + 6 = 17
17 - 6 = 11 or 17 - 11 =6
300
23 - 5 =
18
300
solve 9 + 4 =
13
400
addition and subtraction sentences that use the same numbers
What are related facts
400
___ + 10 = 17
7
400
What is the related fact for 12 + 3 = ___
3 + 12 = 15 15 - 12 = 3 15 - 3 = 12
400
solve 34 - 2 =
32
400
8 + 8 =
16
500
when a number is missing it is called the______
missing addend
500
____ + 20 = 29
9
500
what is a related fact for 28 + _____ = 30
30 - 28 = 2 2 + 28 = 30 20 - 2 = 28
500
solve 30 - 11 =
19
500
12 + 15 =
27
M
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