Addition
21
+ 10
31
*practice writing your equations into column format*
15-3=
12
Aditya had 9 stickers, He gave 3 to his brother. How many stickers does Aditya have left?
*write an equation using the numbers above. Am I subtracting or adding?*
6
what number is in the 10's place?
15
1
What comes next in the pattern?
+-+-+??
-+
33
+ 15
48
31-11=
20
Giana baked 10 cookies, Elaina ate 7 cookies. How many cookies does Giana have left?
3
What number is in the 1's place?
123
3
What comes next in the pattern?
*!=*??
!+
29
+ 11
40
*Do I need to borrow?*
51-15=
36
Advita picked 4 flowers, her friend gave her 12 flowers. How many flowers does Advita have all together?
16
What number is in the 100's place?
1,256
2
What is the CORE of this pattern?
^*^*^*
^*
111
+ 11
122
31-24=
7
Maria had 21 dollars, she earned 5 more dollars. Then, she spent 10 dollars on candy. How many dollars does Maria have left?
16
Write this number in STANDARD form.
100+50+3
153
What number comes next?
5 _ 15 20
10
123
+ 16
139
81-25=
56
Jose got 17 pieces of candy. He ate 9 pieces and gave 4 pieces away. How many pieces of candy does Jose have left?
4
Write this number in EXPANDED form
297
*dont forget the + sign!*
200+90+7
What numbers are missing?
20 _ 22 23 _ _
21, 24, 25