2 digit addition
Use base ten blocks to show 45 + 32
45 + 32 = 77
Use base ten blocks to solve 74 - 36
74 - 36 = 38
Use base ten blocks to solve 426 + 231 =
426 + 231 = 657
4 + 3 =
7
What is 53 rounded to the nearest 10?
50
Use any strategy to solve 46 + 24
46 + 24 = 70
Use a number line to solve 57 - 24
57 - 24 = 33
Use a number line to solve 321 + 123
321 + 123 = 444
10 + 10
20
What is 38 rounded to the nearest 10?
40
Use a number line to solve 23 + 24
23 + 24 = 47
Use adjusting to solve 82 - 48
82 - 48 = 34
Use break apart to solve 456 + 234
456 + 234 = 690
6 + 5
11
What is 75 rounded to the nearest 10?
80
Use break apart to solve 65 + 26
65 + 26 = 91
Use base ten blocks to solve 56 - 21
56 - 21 = 35
Use base ten blocks to solve 438 + 235
438 + 235 = 673
9 + 5
14
What is 287 rounded to the nearest hundred?
300
Use adjusting to solve 61 + 38
61 + 38 = 99
Use any strategy to solve 75 - 43
75 - 43 = 32
Use break apart to solve 524 + 263
524 + 263 = 787
7 + 8 =
15
What is 632 rounded to the nearest hundred?
600