Lesson 10 Write Number Riddles

    • Let’s write and solve number riddles.

Warm-up True or False: Add within 100

Decide if each statement is true or false.

Be prepared to explain your reasoning.

Activity 1 Write Number Riddles

Our secret number:
Our 4 clues:

  • Write each clue on an index card.

  • Make sure the last clue is an addition expression.

  • Fold that clue in half.

Activity 2 Solve Our Number Riddles

Record your ideas as you solve each number riddle.