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Expanded Form
Rounding
Adding 3 digit Numbers
Word Problems
Adding More than 3 digit Numbers
100
What is the expanded form for 623?
600 + 20 + 3
100
Round 65 to the nearest ten.
70
100
324 + 457 =
781
100
Zach has 476 animals and Marsha has 400 animals. How many animals are there in all?
876
100
423 + 24 + 500 =
947
200
What is the expanded form for 3,120?
3000 + 100 + 20 + 0
200
Round 72 to the nearest ten.
70
200
333 + 666 =
999
200
Brenna has 546 marbles and Josh has 678 marbles. How many marbles do they have in all?
1,224
200
Estimate: 562 + 301 + 720 =
1,600
300
What is the expanded form for 444?
400 + 40 + 4
300
Round 99 to the nearest ten.
100
300
479 + 711 =
1,190
300
Colin has 423 cases of slime. Zoe has 670 cases of slime. How many cases of slime do they have?
1,093
300
457 + 90 + 213 =
760
400
What is the expanded form for 6,023?
6,000 + 0 + 20 + 3 or 6,000 + 20 + 3
400
Round 102 to the nearest hundred.
100
400
555 + 555 =
1,110
400
Patrick has 500 lizards. Maximiliano has 501 lizards. How many lizards are there in all?
1,001
400
910 + 9 + 423 =
1,342
500
What is the expanded form for 567?
500 + 60 + 7
500
Round 472 to the nearest hundred.
500
500
478 + 900 =
1,378
500
Paul has 102 mice. Jaya has 178 mice. How many mice do they have in all?
280
500
111 + 222 + 333 =
666