A
Compose the number.
600 + 30 + 9
639
Use the inequality symbols > and < to write a number sentence.
656 ____ 665
<
Estimate the numbers by rounding the numbers to the nearest 10.
873
870
Find the unknown value.
____ + 255 = 678
423
Solve the addition problem. Show your method.
564 + 232 =
795
Compose the number.
800 + 30 + 2
832
Use the inequality symbols > and < to write a number sentence.
321 ____ 123
>
Estimate the numbers by rounding the numbers to the nearest 10.
649
650
Find the unknown value.
132 + _____ = 366
234
Estimate and then calculate. Show your method.
856 - 321 =
Estimate: 860 - 320 = 540
856 - 321 = 535
Decompose the number.
444
400 + 40 + 4
Order these numbers from least to greatest.
123, 323, 112, 414, 441
112, 123, 323, 414, 441
Estimate the numbers by rounding the numbers to the nearest 10.
208
210
____ - 70 = 100
170
Justin has 500 candies. He got 300 more from Leo. How many candies does he have in total?
Show your method.
500 + 300 = 800
Decompose the number.
568
500 + 60 + 8
Order these numbers from greatest to least.
651, 998, 889, 788, 565
998, 889, 788, 651, 565
Estimate the numbers by rounding the numbers to the nearest 100.
338
300
____ - 50 = 200
150
Pepsi collected 481 lego pieces. He used 275 of them to make a lego tower. How many lego pieces does he have left?
Show your method.
481 - 275 = 206
Use the word bank below to write a 3-digit number.
hundred sixty seven
twenty fifty three one
fourteen forty
(Any acceptable answer)
What is the 3-digit number?
It has five hundreds, seven tens and three ones.
573
Estimate the numbers by rounding the numbers to the nearest 10.
986
1000
What is the value and place value of 3 in 312?
Value of 3 _________________
Place value of 3 _______________
Value of 3 is 300
Place value of 3 is hundreds
What is the value and place value of 4 in 840?
Value of 4 _________________
Place value of 4 _______________
Value of 4 is 400
Place value of 4 is tens