Place Value
What is the value of each digit in the number below?
9,437
400
30
7
Round to the nearest hundred.
8,096
8,100
Estimate and then solve using traditional addition.
747 + 835 =
Estimate: 700 + 800 = 1,500
Answer: 1,582
Convert from yards to feet.
3 yards = ______ feet
Find the perimeter of a rectangle with side lengths of 15 feet and 12 feet.
Explain/show how you found the perimeter.
15+15+12+12= 54 feet
What is the value of each digit in the number below?
7,421
7,000
400
20
1
Round to the nearest hundred-thousand.
654,320
Estimate and then solve using traditional addition.
349 + 273 =
Estimate: 300 + 300 = 600
Answer: 622
Convert from yards to feet.
4 yards = ______ feet
12
Find the perimeter of a rectangle with side lengths of 10 feet and 11 feet.
Explain/show how you found the perimeter.
10+10+11+11= 42 feet
Identify the places of the digits in the number 79,635.
The 7 is in the ____________ place.
The 9 is in the ____________ place.
The 3 is in the ____________ place.
7- ten-thousands
9-thousands
3- tens
Jude baked 92 cupcakes on Monday, 83 on Tuesday, and 185 on Wednesday. He gave 13 to his family. He needs at least 300 for the bake sale.
Without solving, do you think he baked enough?
How do you know? Explain/show your estimation strategy.
Yes!
90+80+180= 350
350 is a lot higher than 300, even if he gives away 13 to his family.
Estimate and then solve using traditional subtraction.
853 - 276 =
Estimate: 800 - 300 = 500
Answer: 577
Convert from yards to feet.
6 yards = ______ feet
18
Find the perimeter of a rectangle with side lengths of 21 feet and 9 feet.
Explain/show how you found the perimeter.
Identify the places of the digits in the number 98,765.
The 9 is in the ____________ place.
The 7 is in the ____________ place.
The 5 is in the ____________ place.
9- ten thousands
7- hundreds
5- ones
Claire baked 57 cupcakes on Monday, 73 on Tuesday, and 164 on Wednesday. She gave 17 to her family. She needs at least 400 for the bake sale.
Without solving, do you think she baked enough?
How do you know? Explain/show your estimation strategy.
No!
60 + 70 + 160 = 290.
290 is nowhere close to 400!
Estimate and then solve using traditional subtraction.
433 - 179 =
Estimate: 400- 200= 200
Answer: 254
Convert from yards to feet.
8 yards = ______ feet
24
Find the perimeter of a rectangle with side lengths of 6 feet and 11 feet.
Explain/show how you found the perimeter.
6+6+11+11 = 34 feet
Write <, >, or =.
a. 895 _______ 859
b. 1,784 ______ 1, 584
c. 25,045 ______ 27, 999
d. 96,345 ______ 865,347
a. >
b. >
c. <
d. <
Evelyn baked 43 cupcakes on Monday, 67 on Tuesday, and 234 on Wednesday. She gave 6 to her family. She needs at least 250 for the bake sale.
Without solving, do you think she baked enough?
How do you know? Explain/show your estimation strategy.
Yes!
50+50+250= 300, which is more than enough, even if she gives 6 to her family.
Estimate and then solve using traditional subtraction.
960 - 378 =
Estimate: 1000 - 400 = 600
Answer: 582
Convert from yards to feet.
12 yards = ______ feet
36
Find the perimeter of a rectangle with side lengths of 9 feet and 7 feet.
Explain/show how you found the perimeter.
9+9+7+7 = 32 feet