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Subtracting two 3-digit numbers (without regrouping)

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Subtracting two 3-digit numbers (without regrouping)

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Lesson details

Key learning points

  1. In this lesson, we will learn to partition 3-digit numbers in order to mentally subtract them accurately.
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5 Questions

Q1.
Tick the 3 digit number
3
3000
Correct answer: 303
33
Q2.
400 + 200 =
406
420
60
Correct answer: 600
Q3.
324 + 173 =
1000
400
490
Correct answer: 497
Q4.
506 + 293 =
700
790
7900
Correct answer: 799
Q5.
Which of these is the odd one out?
176 + 123 =
500 + 400 =
502 + 491 =
Correct answer: 670 + 499 =

5 Questions

Q1.
Which of these 3-digit numbers has 2 in the hundreds column?
199
2
20
Correct answer: 278
Q2.
500 - 200 =
100
200
Correct answer: 300
400
Q3.
456 - 111 =
Correct answer: 345
400
444
546
Q4.
835 - 324 =
411
500
Correct answer: 511
521
Q5.
Which of these is the odd one out?
333 - 111 =
Correct answer: 345 - 216 =
423 - 200 =
500 - 400

Lesson appears in

UnitMaths / Addition and subtraction