Vocabulary
what word means "the product at the end of an addition problem?"
Sum
7+3+1
11
What doubles fact could you use to solve 4+3?
3+3+1
What is one way you can use the numbers
7, 6, 13
7+6=13
6+7=13
13-6=7
13-7=6
What word means "the product at the end of a subtraction problem?"
Difference
6+5+2
13
5+5
10
What doubles fact could you use to solve
5+6
5+5+1
What is one way you can use the numbers
8,0,8
8+0=8
0+8=8
8-8=0
8-0=8
What is "mental math"?
Solving math problems in your head or using you brain
8+2+5
15
6+6
12
What doubles facts could you use to solve 6+7?
6+6+1
What are two ways you can use the numbers
9,5,14
9+5=14
5+9=14
14-9=5
14-5=9
What is a fact family?
A set of 3 numbers that are related to an addition and subtraction problem
9+3+4
16
8+8
16
What doubles facts could you use to solve 8+7?
7+7+1
What are two ways you can use the numbers
10,5,15
10+5=15
5+10=15
15-5=10
15-10=5
what is a ten frame?
A math tool used for making a ten to solve math problems.
3+5+9
17
10+10
20
8+8+1
12,5,17
12+5=17
5+12=17
17-5=12
17-12=5