Addition & Subtraction within 100
14+26
20
127+233
60
352-233
19
Show 56-24 on the number line
Answer is 32
Elliot had 34 cookies. He gives 16 cookies to Emery. How many cookies does Elliot have left?
24-16=18
13-54
9
252+329
81
484-367
17
expanded form to subtract: 72-8
Break 8 into 2 and 6,
72-2=70, 70-6=64
Gabby has 52 pencils. Aubrey has 24 pencils. How many more pencils does Gabby have than Aubrey?
52-24=28
36+47
13
339+219
58
572-231
41
expanded form to show 41-29=
41-29--->41-30= 11
11+1=12
There are 52 birds at the park. 35 fly away. How many are left?
52-35=17
69-38
12
262+623
85
480-226
54
Show 72-35 on the number line
There are 68 cupcakes at the bakery. They sell 32 of them, how many cupcakes are left?
68-32=36
59-34
9
577+424
101
1000-562
38
expanded form 34-21
34-20=14
14-1=13
There are 73 books in the class library. If 25 students take home 1 book, how many books are left in the library?
73-25=48 books