Addition
Solve the problem using the arrow way.
56 + 20 =
56 --> __
76
Solve the problem using the place value strategy.
38 + 30 = ___
68
Gavin has 58 puzzle pieces. He lost 20 pieces. How many pieces does he have left?
38
Madison has 95 hairbows. Alice bought her 10 more for her birthday. How many hairbows does Madison have now?
95 + 10 = 105
She has 105 hairbows.
What is the rule for the pattern below?
34, 33, 32, 31, 30, 29
a. 1 more
b. 1 less
c. 10 less
b. 1 less
Find each sum. Use >, <, or = to compare.
50 + 17 ___ 47 + 20
=
67 = 67
272
70
Brianna has 82 cm of rope. She cuts off a piece 39 cm long to tie a package. How much rope does Brianna have left?
82 - 39 =
43 cm
There were 41 kites. 12 were caught in a tree.
How many were left?
Use a number line on your white board to help you solve the problem.
29
Create a pattern using the 100 more rule.
__, __, __, __, __, __
Example:
100, 200, 300, 400, 500, 600
122 + 17 = ___
139
The number is 456.
How many place value disks/dots would be in the tens place on a place value chart?
5
Solve the equation using vertical subtraction.
42 - 27 = ___
15
Claire bought a dress for $18 and a pair of shoes for $28 more than the dress.
How much was the pair of shoes?
$46
68, 78, 88, __, __, __
98, 108, 118
Maya's string is 38 centimeters longer than her reading book. The length of her reading book is 26 centimeters. What is the length of Maya's string?
64 centimeters
Solve using a place value chart.
127 - 57 = ___
70
Solve 32 - 27 and 28 - 15 vertically using the space below.
Is the number sentence below TRUE OR FALSE?
32 - 27 = 28 - 15
FALSE
32 - 27 = 15
28 - 15 = 13
Some 2nd grade students voted on their favorite food. The table shows the number of votes for each food.
Favorite Food - Number of Votes
Pizza - 22
Spaghetti - 17
Mac and Cheese - 39
How many more students voted for mac and cheese than for spaghetti?
39 - 17 = 22
Is the statement TRUE or FALSE?
10 less than 47 is the same as 1 more than 35.
FALSE
47 - 10 = 37
35 + 1 = 36
78 + 29 = ___
107
Solve the problem using a place value chart.
305 - 107 = ___
198
Some second grade students voted on their favorite pet. The table shows the number of votes for each pet.
Favorite Pet - Number of Votes
Dogs - 52
Cats - 19
Hamster - 24
How many more students voted for dogs than hamsters?
52 - 24 = 28
The bookstore sold 85 books on Saturday. On Monday, it sold 46 fewer books. How many books were sold on Monday?
85 - 46 = 39
Complete the pattern and choose which rule the pattern follows.
75, __, 95, __
a. 1 more
b. 10 more
c. 100 more
75, 85, 95, 105
b. 10 more