Addition and Subtraction
Solve: 47 + 30
47 + 30 = 77
Identify the ones, tens, and hundreds: 371
3 hundreds, 7 tens, 1 one
Name the 4 coins and their worth.
penny - 1¢
nickel - 5¢
dime - 10¢
quarter - 25¢
If it is 2:30 now, what time will it be in 1 hour?
3:30
Write the number: 6 hundreds, 0 tens, and 9 ones.
609
Solve: 67 - 20
67 - 20 = 47
Identify the ones, tens, and hundreds: 890
8 hundreds, 9 tens, 0 ones
Count by 100s, 0-1000
0, 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000
What does the short hand represent? What does the long hand represent?
short hand - tells hours
long hand - tells minutes
Sarah has 3 boxes of crayons with 5 in each. How many crayons does she have in all?
5 + 5 + 5 = 15 or 3 x 5 = 15
Solve: 68 - 29 - 10
68 - 29 - 10 = 29
Identify the ones, tens, and hundreds: 17
What are the next 3 numbers: 2, 4, 6, 8, __, __, __
2, 4, 6, 8, 10, 12, 14
What time is it if the clock shows the hour hand on 3 and the minute hand on 12
3:00
What is 100 more and 100 less than 341?
100 less is 241 and 100 more is 441
Solve: 4 + 4 + 4 or 4 x 3
12
Write the number: 4 hundreds, 2 tens, and 6 ones.
426
You want to buy a pencil that costs 28¢ and an eraser that costs 14¢. You have two quarters. Do you have enough money?
Yes, 28 + 14 = 42. Two quarters is 50¢ so we have enough money.
Which is longer: 1 foot or 1 inch?
1 foot
12 inches = 1 foot
How do you know if a number is even or odd?
You look at the the ones place. If the number can be split into 2 equal groups with the same amount, the number is even. If you can't split the number into 2 equal groups, the number is odd.
306
Write the number: 0 hundreds, 12 tens, and 6 ones.
126
You want to buy a pencil that costs 76¢. You have 2 quarters, 2 dimes, and 2 nickels. Do you have enough money?
Yes, 2 quarters, 2 dimes, 2 nickels adds up to 80¢.
Draw a shape with 4 equal sides and 4 corners. What shape is it?
square
Compare the numbers: 314 and 341
341 > 314
both have 3 hundreds so you move to the tens place. 4 tens is greater than 1 ten so 341 > 314