Multiplication x2
Explain a strategy for solving 2 x 5.
I know that double 5 is 10.
5 + 5 = 10
Count by 5s: 5, 10
Double 4 to get 8, double 8 to get 16.
2 x 4 = 8, 2 x 8 = 16
Count by 4s: 4, 8, 12, 16
Max works 2 hours for $11 per hour. How much does he earn?
$22
Round 558 to the nearest 10.
560
What is 10 less than 5432?
5422
18 = __ x 2
9
20 = __ x 4
5
Alfred has 4 plates of cookies. Each plate has exactly 12 cookies on it. How many cookies are there in total?
48
Round 4810 to the nearest hundred.
4800
What is 100 less than 589.
489
* * * * * *
* * * * * *
Write an equation that represents this array and solve.
2 x 6 = 12
* * * * * *
* * * * * *
* * * * * *
* * * * * *
Write an equation that represents the array and solve.
4 x 6 = 24
Double the recipe for punch:
4 oz pineapple juice
3 scoops orange sherbert
16 ounces lemon lime soda
8 oz pineapple juice
6 scoops orange sherbert
32 ounces lemon lime soda
Round 2399 to the nearest 10.
2400
Explain how to round 1347 to the nearest 10?
You look at the digit in the ones place. If it is 5 or greater, you round up to 1350. If it is less than 5, you would round down to 1340.
What is 2 X 14?
28
What is 4 X 11?
44
Wilbur buys 2 t-shirts for $13 each and a pair of pants for $15. How much does he spend?
$41
Round 4859 to the nearest hundred.
4900
901
Solve 2 X 46.
92
Solve 4 X 21.
84
George earns $11 a week for 4 weeks. He then spends $23. How much does he have left?
$21
4180 was rounded to the nearest 10. Write a number that could have been its starting number.
4179, 4178, 4177, 4176, and 4175.
Or 4184, 4183, 4182, and 4181
What is 100 more than 2959?
3059