Multiples of 10
50 x 6
300
~180 seats
Draw base-10 models to represent 22 x 4
The 21st Century Club has 4 sections for 4th grade. If each section has 12 kids, how many total 4th graders participate?
4 x 2 = 8
40 + 8 = 48
Draw base-10 models to solve 14 x 5
14 x 5 = 70
60 x 4
240
200 x 6 = 1,200
Draw base-10 models to represent 2 x 24
2 x 24 = 48
How can you use area models to help solve a multi-digit by single-digit multiplication equation?
Break the multi-digit number into its separate place values, multiply each place value by the single-digit factor, then add the products together.
JunHao makes $7 an hour shoveling snow during the winter. If he spends 22 hours shoveling in one week, how much did he earn that week?
22 x $7 = $154
400 x 8
3,200
Terrence's cousin is going to a 4 year college. Tuition for each year is $9,256. About how much will his aunt and uncle spend to send his cousin to school?
$9,000 x 4 = ~$36,000
Julian earned $33 working over a 3 month period. Draw base-10 models to show how much total Julian earned.
$33 x 3 = $99
Alex's parents had a garage sale. Alex sold 23 games for $3 each. How much money did Alex make?
20 x 3 = 60
3 x 3 = 9
60 + 9 = $69
42 x 6
252
7000 x 7
49,000
Estimate 6,789 x 5. Round to greatest place value
7,000 x 5 = 35,000
Camila took 34 pictures each day of her vacation. She was on vacation for 3 days. How many photos did she take?
34 x 3 = 102 photos
Use the distributive property to show 34 x 2
(30 x 2) + (4 x 2) =
60 + 8 = 68
357 x 7
2,499
9000 x 8
72,000
What is a reasonable estimate for 545 x 9?
500 x 9 = 4,500
A grocery store sells cookies by the box. Each box contains 5 sleeves of cookies. How many sleeves are in 12 boxes?
5 x 12 = 60 sleeves
12 kids attend a science event at the public library. The entry fee for the event was $9. How much money was paid for the event?
10 x 9 = 90
9 x 2 = 18
90 +18 = $108
508 x 8. Draw an area model to help.
4,064