S-I
Name _______________________________________________________
Directions:
1. Read the math sentence carefully.
2. Put the number in the box that makes the number sentence true.
3. Show your work.
4. HINT: Think about what the equal sign means.
#_____
HINT: Think about what the equal sign means.
= 10
1)
3+
2)
10 = 3 +
3)
3+7 =
4)
+5
3+7 =
+6
10
HINT: 10 is the WRONG answer!
1
= 8
5)
3+
6)
8 =
7)
3+5 = 4+
8)
3+5 = 6+
+5
14
HINT: 14 is the WRONG answer!
2
#_____
HINT: Think about what the equal sign means.
9)
11 = 4 +
10) 4 + 7 = 3 +
11) 6 + 2 + 3 =
+8
11
HINT: 11 is the WRONG answer!
12) 4 + 2 + 5 = 5 +
3
HINT: Think about what the equal sign means.
13) 9 + 6 =
+5
14) 5 + 5 + 5 =
+6
15) 5 + 6 + 4 = 4 +
19
HINT: 19 is the WRONG answer!
16) 8 + 2 + 5 =
4
+5
#_____
17) 6 + 4 + 3 = 3 +
18) What does the equal sign mean?
5
4
MID
Memory Items
C1. _________________________________________
C2. _________________________________________
6
MID #_____
C3. For each example decide if the number sentence is true. Does it
make sense? After each problem, circle True, False, or Don’t Know.
a) 7 + 6 = 0
True
False
Don’t Know
b) 31 + 16 = 16 + 31
True
False
Don’t Know
c) 8 = 5 + 3
True
False
Don’t Know
d) 8 = 8
True
False
Don’t Know
e) 7 + 6 = 6 + 6 + 1
True
False
Don’t Know
f) 8 = 5 + 10
True
False
Don’t Know
7
6
Directions: Put the number in the box that makes the number sentence true.
8
6
1)
3+6+2= 3+
2)
2+8+3=
+3