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Times as many: 4th grade math

Multiplicative comparison ("3 times as many"). A free 4th grade lesson plan, a question set with answers and a printable sheet with its key. Copy it and make it yours.

Lesson plan

Goal

  • Students can do this: multiplicative comparison ("3 times as many").

Teach (10 min)

  • "3 times as many" means multiply.
  • "3 more than" means add.
  • Work one example on the board while students say each step aloud, then do one together.

Practise (15 min)

  • Students work the printable sheet in pairs, then alone.
  • Or practise it as a game with no sign-up: https://peabody.kids/math/numsense.g4_times?lesson=4-numsense-times-1&at=4

Exit ticket (5 min)

  • Three questions on a slip:
  • 1. A red box has 7 cards. A blue box has 3 more cards than the red box. How many cards are in the blue box?
  • 2. A red box has 4 shells. A blue box has 9 times as many shells as the red box. How many shells are in the blue box?
  • 3. A red box has 3 stickers. A blue box has 4 more stickers than the red box. How many stickers are in the blue box?

Question set

10 questions that read in words, easiest first. Questions that need a picture are on the printable sheet below.

  1. A red box has 7 cards. A blue box has 3 more cards than the red box. How many cards are in the blue box?
  2. A red box has 4 shells. A blue box has 9 times as many shells as the red box. How many shells are in the blue box?
  3. A red box has 3 stickers. A blue box has 4 more stickers than the red box. How many stickers are in the blue box?
  4. A red box has 9 stickers. A blue box has 8 times as many stickers as the red box. How many stickers are in the blue box?
  5. A red box has 5 marbles. A blue box has 8 times as many marbles as the red box. How many marbles are in the blue box?
  6. A red box has 6 stickers. A blue box has 2 more stickers than the red box. How many stickers are in the blue box?
  7. A red box has 5 shells. A blue box has 6 more shells than the red box. How many shells are in the blue box?
  8. A red box has 9 marbles. A blue box has 4 times as many marbles as the red box. How many marbles are in the blue box?
  9. A red box has 3 marbles. A blue box has 9 more marbles than the red box. How many marbles are in the blue box?
  10. A red box has 10 cards. A blue box has 5 more cards than the red box. How many cards are in the blue box?
Answers
  1. 10
  2. 36
  3. 7
  4. 72
  5. 40
  6. 8
  7. 11
  8. 36
  9. 12
  10. 15

Printable sheet

Name: ____________________   Date: ____________

Times as many (4th grade)

  1. A red box has 9 shells. A blue box has 8 more shells than the red box. How many shells are in the blue box?
  2. A red box has 5 cards. A blue box has 6 more cards than the red box. How many cards are in the blue box?
  3. A red box has 3 marbles. A blue box has 6 more marbles than the red box. How many marbles are in the blue box?
  4. A red box has 3 cards. A blue box has 4 more cards than the red box. How many cards are in the blue box?
  5. A red box has 9 marbles. A blue box has 8 more marbles than the red box. How many marbles are in the blue box?
  6. A red box has 10 shells. A blue box has 5 times as many shells as the red box. How many shells are in the blue box?
  7. A red box has 12 cards. A blue box has 5 times as many cards as the red box. How many cards are in the blue box?
  8. A red box has 10 marbles. A blue box has 4 more marbles than the red box. How many marbles are in the blue box?
  9. A red box has 11 cards. A blue box has 5 more cards than the red box. How many cards are in the blue box?
  10. A red box has 7 marbles. A blue box has 2 more marbles than the red box. How many marbles are in the blue box?
  11. A red box has 12 shells. A blue box has 5 more shells than the red box. How many shells are in the blue box?
  12. A red box has 4 stickers. A blue box has 5 more stickers than the red box. How many stickers are in the blue box?
Key
  1. 17
  2. 11
  3. 9
  4. 7
  5. 17
  6. 50
  7. 60
  8. 14
  9. 16
  10. 9
  11. 17
  12. 9

Written by Peabody from its own skill pages. Free, no ads, no sign-in. Children can practise this on Peabody. More from teachers: teacher-shared resources.