Addition and Subtraction
45 + 48 =
93
What is the value of the 7 in 472?
70
How much money is this?
Quarter + Dime =
25c + 10c = 35c
Emma picked 18 apples. She gave 5 apples to her friend. How many apples does Emma have now?
18 – 5 = 13 apples
Olivia has 45 pencils. She gives 12 to her friend and then buys 20 more pencils.
How many pencils does Olivia have now?
45 – 12 = 33; 33 + 20 = 53 pencils
139 - 39 =
100
Which number has a 5 in the tens place?
a) 352
b) 425
c) 581
c) 581
You have 3 quarters. How much money do you have?
75 cents
Liam has 25 stickers. He buys 17 more stickers. How many stickers does he have in total?
25 + 17 = 42 stickers
Ethan earns 30 tickets playing games. Then he earns 25 more tickets. He spends 40 tickets on a prize.
How many tickets does he have left?
30 + 25 = 55; 55 – 40 = 15 tickets
237 + 523 =
760
What number is 300 + 40 + 2?
342
Which group shows 50 cents?
a) 5 dimes
b) 2 quarters
c) 10 nickels
All
There are 36 books on one shelf and 24 books on another shelf. How many books are there altogether?
36 + 24 = 60 books
There are 24 chocolate cookies and 18 vanilla cookies. After a party, 22 cookies are left.
How many cookies were eaten?
24 + 18 = 42; 42 – 22 = 20 cookies eaten
395 - 142 =
253
True or False:
In the number 658, the digit 6 is worth 60.
False — it’s worth 600!
If you have 2 dimes and 3 pennies, how much do you have?
10c + 10c + 3p = 23c
Sofia has 45¢. She finds 30¢ more in her backpack. How much money does she have now?
45¢ + 30¢ = 75¢
There are 8 rows of chairs with 6 chairs in each row. 10 chairs are removed for cleaning.
How many chairs are left?
8 × 6 = 48; 48 – 10 = 38 chairs
725 + 115 =
840
What number has a 9 in the hundreds place:
a) 935
b) 492
c) 569
a) 935
You want to buy a toy that costs 65¢. You have 2 quarters and 1 dime. Do you have enough?
25¢ + 25¢ + 10¢ = 60¢ — No, you need 5¢ more
Noah had 60 toy cars. He gave 28 of them to his cousin. How many toy cars does Noah have left?
60 – 28 = 32 toy cars
James has 50 marbles. He gives 15 to his brother and 12 to his friend.
How many marbles does James have now?
50 – 15 = 35; 35 – 12 = 23 marbles