Multiplication word problems
Use the CUBES strategy to solve:
1.Nick does 37 push-ups each day. How many push-ups does Nick do in 7 days?
2.Jessenia does 26 sit-ups each day. How many sit-ups does Jessenia do in 7 days?
1.259
2.182
Decompose and then multiply
5 X 80 = 5 X 8 X ______
= 40 X ______
= ______
5 X 80 = 5 X 8 X 10
= 40 X 10
= 400
Instructions: Use the unit form to help you.
80 ÷ 2 = 8 tens ÷ ______
= ______ tens
= ______
80 ÷ 2= 8 tens ÷ 2
= 4 tens
=40
Directions: Draw an area model and solve, 3 X 23
3 X 23 = 3 X ( _____ + _____ )
= ( _____ X _____ ) + ( _____ X _____ )
= ________ + ________
= ________
3 X 23 = 3 X ( 20 + 3 )
= ( 3 X 20) + ( 3 X 3)
= 60 + 9
= 69
Create a place value chart and solve: 3 times as much as 42.
3 x 42= ( 3 x 4 tens) + ( 3 x 2 ones)
= (_____tens) + (_____ones)
=120 + ____=_____
3 x 42 = ( 3 x 4 tens) + ( 3 x 2 ones)
= 12 tens + 6 ones
= 120 + 6
= 126
Use the CUBES strategy to solve:
Miss Lopez buys 8 recess games. Each game costs $41. What is the total cost of the games?
$328
1.4 X 30 = __________
2.40 X 9 = __________
3. 8 X 60 = __________
1. 120
2.360
3.480
Instructions: Use the unit form to help you.
180 ÷ 6= ____tens ÷ ____
=_____tens
=_____
180 ÷ 6= 18 tens ÷ 6
=3 tens
=30
Directions: Draw an area model and solve, 4 X 24
4 X 24 = 4 X ( _____ + _____ )
= ( _____ X _____ ) + ( _____ X _____ )
= ________ + ________
= ________
4 X 24 = 4 X (20 + 4)
= (4 X 20) + (4 X 4)
= 80 + 16
=96
Use the distributive property to multiply.
2 X 22 = 2 X (20 + 2)
= (2 X 20) + (2X2)
= _____+_____
=_______
40+ 4
44
Use the CUBES strategy to solve:
Mr. Endo buys 7 boxes of crayons. Each box has 98 crayons. How many crayons does he buy in all?
686 crayons
Solve using a strategy:
1.6 X 73 = __________
2.8 times as much as 41 = _________
1.438
2.328
Instructions: Use the unit form to help you.
240 ÷ 4= _____tens ÷ _____
=______tens
=______
240 ÷ 4 = 24 tens ÷ 4
=6 tens
=60
Directions: Draw an area model and solve, 7 X 38
7 X 38 = 7 X (____+____)
= (_____X_____) + (______+_______)
= ______+______
=_______
7 X 38 = 7 X (30 + 8 )
= (7 X 30) + (7 X 8)
= 210 + 56
=266
Write 87,206 in UNIT FORM AND EXPANDED FORM
UNIT FORM: 8 ten thousands, 7 thousands, 2 hundreds, 6 ones
EXPANDED FORM: 80,000+ 7,000+200+6
Use the CUBES strategy to solve:
There are 85 chairs in each row. The hall has 5 rows. How many chairs are in the hall?
425 chairs
Directions: Use the distributive property to multiply.
6 X 44 = ( 6 X 4 tens ) + ( 6 X 4 ones )
= ( _____ tens ) + ( _____ ones )
= ________ + ________
= ________
6 x 44 = (6x4 tens) + (6x 4 ones)
=(24 tens) + (24 ones)
=240+24
=264
1.140 ÷ 2 = __________
*Hint: Think 2 X ______ = 140*
2. 250 ÷ 5 = __________
*Hint: Think 5 X ______ = 250*
1.70
2.50
Directions: Draw an area model and solve, 4 X 14
4 X 14 = 4 X ( _____ + _____ )
= ( 4 X _____ ) + ( 4 X _____ )
= ________ + ________
= ________
4 X 14= 4 X (10 + 4)
=(4 X 10)+ (4 X 4)
= 40 + 16
=56
Add and subtract using the standard algorithm:
650,946 650,946
+ 127,581 -127,581
778,527
523,365
Use the CUBES strategy to solve:
Each sheet of stickers has 95 stickers. If Mateo buys 7 sheets, how many stickers does he have?
665 stickers
Directions: Use the distributive property to multiply.
4 X 67 = 4 X ( 60 + 7 )
= ( 4 X 60) + ( 4 X 7 )
= ________ + ________
= ________
4x67= 4x(60+7)
=(4x60)+ (4x7)
240+28
=268
Instructions: Use the unit form to help you.
120 ÷ 3=______tens ÷______
=______tens
=______
120 ÷ 3= 12 tens ÷ 3
=4 tens
=40
Directions: Draw an area model and solve, 6 X 27
6 X 27 = 6 X (_____+_____)
=(____X_____) + (_____X_____)
=_____+______
= _______
6 X 27 = 6 X (20 + 7)
= (6 X 20) + (6 X 7)
=120 + 42
=162
Round 347,834 to the nearest TEN THOUSAND and HUNDRED THOUSAND.
Round 602,500 to the nearest THOUSAND.
TEN THOUSAND: 350,000
HUNDRED THOUSAND:300,00
THOUSAND: 603,000