Addition and Subtraction
100-18+7
25
There are 22 ducks. 8 more join. How many ducks now?
30 ducks
Which number has 4 hundreds, 6 tens, and 3 ones?
463
456 ___ 465
Complete this with a < or >
<
What time is half past 6?
6:30
200-40-16
24
64 kids are on the playground. 18 go inside. How many remain?
46 kids
In 582, what does the 8 represent?
8 tens (80)
Put in order from least to greatest:
389, 398, 383
383, 389, 398
Which coins equal 30¢?
3 dimes
Which strategy works best for 9+8?
Make a 10
Dominic has 27 pieces of candy. Hailey has 36 more pieces than him. How many pieces of candy does Hailey have?
63 pieces of candy
Which number is closest to 700?
A. 689 B. 712 C. 645
B. 712
Which number is greatest?
499, 509, 495
509
School starts at 8:40.
Morning meeting lasts 25 minutes.
What time does morning meeting end?
9:05
9:05
Find the missing number:
___+ 15=32
17
Gibran has 72 dogs. Amelia has 54 less dogs than Gibran. How many dogs does Amelia have?
18 dogs
Build the number:
3 hundreds + 14 ones
314
Which symbol makes this true?
602 ___ 620
<
You have $1.00.
You spend 47¢.
How much change do you get?
53¢
Which sum is closest to 100, and how do you know?
A. 48 + 51
B. 62 + 37
C. 59 + 42
A. 48 + 51 = 99
There are 90 students going on a field trip.
Each bus holds 10 students.
If 2 buses leave, how many students are still waiting?
70 students
(90 − 20 = 70)
I am thinking of a number.
It has 4 hundreds
The tens digit is half of 12
The ones is double the hundreds
What number am I thinking of?
468
Without writing the numbers down, put these in order from least to greatest:
602, 589, 610, 598
589, 598, 602, 610
You have 65¢.
Show TWO different ways to make 65¢ using coins.
2 quarters + 1 dime + 1 nickel
6 dimes + 1 nickel