Equations
Ms. Cook had 9 cookies. She gave her friend 4 cookies. How many cookies does Ms. Cook have left?
9-4=5
Ms. Cook has 5 cookies left.
These numbers are increasing by 2.
6, 8, 10, 12, XX, 16.
What number is XX?
14
3+7=
10
9-3=
6
0--5--10--15--20
Where would you put the number 13 on the number line?
Between the 10 and 15
Write the number from the expanded form:
200+50+8
258
Put these numbers in order from GREATEST to LEAST:
15, 6, 20, 10, 2
20, 15, 10, 6, 2
12+9=
21
17-10=
7
90+3+4=
97
10+8=18
There are now 18 birds in the tree.
Put these numbers in order from LEAST to GREATEST:
40, 14, 4, 28, 99
4, 14, 28, 40, 99
60+30=
90
13
Which number is greater?
597 or 702
702 is greater!
There are 22 students in your class. 7 of the students slept in and missed their bus and were late. How many students were on time?
22-7=15
15 students were on time!
Which sum is larger?
10+10 OR 8+14
8+14=22
10+10=20
8+14 is larger.
21+43=
64
52-7=
45
Which of these numbers are ODD?
7, 62, 18, 93, 25, 44
7, 93, 25 are all odd.