Multiplying by tens
6 x 70
420
30 x 21
630
1,234 x 2
2,468
Each student in Ms McCarthy's class is getting 6 pieces of candy. If there are 21 students in her class, how many pieces of candy does Ms McCarthy need to buy?
126 pieces of candy
Choose the best estimate of the product - 4 x 64
4 × 60 = 240
5 × 60 = 300
4 × 70 = 280
5 × 70 = 350
4 x 60 = 240
80 x 60
480
13 x 21
273
5,124 x 3
15,372
In the morning, Hasan sold 5 giraffe spots for $2 each. In the afternoon, Hasan sold 12 giraffe spots for the same price. What is the difference in the amount he made from the morning to the afternoon?
24-10 = 14
$14 difference
Draw an area model for 4 × 3,974. Then write an equation to match your model.
(3,000 × 4) + (900 × 4) + (70 × 4) + (4 × 4) = 15,896
320 x 100
32,000
54 x 45
2,430
3,025 x 5
15,125
Season tickets at a baseball stadium cost $143. If someone buys 7 tickets, what will the total cost be? Will $1,000 be enough money to pay for the tickets?
$1,001
No
What is Ms McCarthy's favorite food?
Chinese food
900 x 9,000
8,100,000
62 x 42
2,604
estimate, then solve:
3,608 x 6
4,000 x 5 = 20,000
21, 648
Monday - 36 miles
Tuesday - 15 miles
Altogether - 540 miles
92 × 67 =
(90 + 2) × (60 + 7) = 5,400 + 630 + 120 + 14 = 6,164
(90 + 2) × (60 + 7) = 5,400 + 630 + 120 + 9 = 6,159
(90 + 2) × (60 + 7) = 5,400 + 630 + 120 + 14 = 6,164
99,000 x 100
9,900,000
89 x 77
6,853
estimate, then solve:
1,234 x 12
1,000 x 10 = 10,000
14,808
Kamya loves squishies and she is buying a bunch for her family! She bought 3 large squishies and 2 small squishies for her family. She paid $24 for each of the large squishies and $16 for each of the small squishies. How much money did she spend in all?
$104 total
True or False: Octopus have 3 hearts
True