Make a Ten
Subtract in Parts
Split Strategy
Number Rainbow
100
What is 10 + 4
14
100
What symbol is used for subtraction?
- (minus)
100
Split the number into 10s and 1s
36
30
6
100
Draw a number rainbow for 10.
200
Make a ten to solve. If I have 9 donuts and Shelly has 8 cupcakes, how many treats do we have all together?
17 treats
200
What is 15-4?
9
200
What number is in the tens place?
144
4
200
Find the missing fact in the rainbow.
0+9=9
1+8=9
2+7=9
?+?=9
4+5=9
3+6=9
300
Find the missing numbers:
7+?=10
10+?=15
7+?=15
3
5
8
300
If we have 10 students in our class, and Mrs. Kroll has 14 students in her class, how many more students does Mrs. Kroll have then us?
4 students
300
What is the value of the number in the tens spot?
2,679
70
300
True or false, "this is a turn around fact"
20-6=4
6-20=4
false
400
What is 13+7
20
400
If 15+4=19
what does 19-4=
15
400
Subtract in parts to solve.
24+80
20+80=100
100+4=104
400
Fill in the 3 boxes. Find 3 subtraction facts to fill in.
TBD
500
Make a ten, and then add.
17+16
17+3=20
20+13=33
500
If today is December 8th, and Christmas is December 25th. How many more days are there until Christmas?
17 days
500
Solve using the split strategy:
35+82
30+80=110
5+2=7
110+7=117
500
What number rainbow do these facts belong to?
13+8=
9+12=
18+3=
10+11
21