Doubles
1+1=
2
8+9=
Which addend do you double first?
8
Double the SMALLER addend, then ADD 1.
(8 + 8 =16; so 16+1=17)
1+5+5
11
Fill in the blank:
A ___________ is the answer to an ADDITION problem.
sum
8+ 5=
How do you "break apart" the addend 5 to "make a ten" with the addend 8?
2 and 3
4+4=
8
3+4
Which addend do you double first?
3
Double the SMALLER addend, then ADD 1.
(3+3=6; so 6+1 =7)
2+6+4=
12
True or False?
When you trade 10 ones for 1 ten, you REGROUP.
True.
19 + 6 =
How do you "break apart" the addend 6 to "make a ten" with the addend 19?
1 and 5
(19+1=20)
10+10
Solve: 2+3 =
5
7+3+5=
15
True or False?
A line of numbers that goes down a page is in a COLUMN.
(For example, add the numbers in the ones column, then add the tens column.)
10
28 + 6 =
How do you "break apart" the addend 6 to "make a ten" with the addend 28?
2 and 4
(28 + 2 = 30)
4+9+4=
17
Find the sum: 6+7=
13
4+8+6=
18
Fill in the blank with the correct word:
7 plus 9 is _________ to 16.
37 + 5=
How do you "break apart" the 5?
3 and 2
(37 + 3 =40; so 40 + 2 = 42)
6+6+2=
14
Solve: 5+6=
11
9+2+1=
12
The ___________ is an answer to a SUBTRACTION problem.
difference
65 + 5 =
TRICK QUESTION :)! No need to break apart the 5, just "make a ten"!
65 +5 =70