# Golf

## Curriculum Goal

#### Primary: Number Sense

• Use the properties of addition and subtraction, and the relationship between addition and subtraction, to solve problems and check calculations.

#### Junior: Number Sense

• Use the properties of operations, and the relationships between addition, subtraction, multiplication, and division, to solve problems involving whole numbers, including those requiring more than one operation, and check calculations.

## Context

• Two to four students and the teacher meet in a group.

## Materials

• In-persion version
• One standard 52-card deck
Online version

## Lesson

• Each child starts with a 3 x 3 grid with one card in each place (nine cards total).
• The goal is to reduce the value of cards by swapping them for cards of lesser value.
• Each player takes turns swapping a card from their grid with one in the discard pile or from the deck.
• Aces = 1; Numeric cards = face values; Queen and Jack = 10; King = 0; Joker = -5.
• If a child gathers three identical cards in a vertical column the value of the column becomes zero unless there are three jokers which would reward the player with a score of -15.
• To start, children simultaneously select two of their cards to flip up and leave all other cards in the grid face down. The other cards remain unknown until they are swapped out.
• The dealer flips the top card of the deck face up and lays this next to the deck in a discard pile.
Students take turns choosing to draw a card from either the deck or discard pile.
• Then, students decide to:
• Use the card by switching it with a face up or down card in their grid.
• Or discard the drawn card if it is not useful.
• The play continues until one person wants to lock in their grid. They can signal this by saying “lock” on their turn.
• Once a player declares lock, they forgo their move, and everyone has one more turn before the game is over.
• After everyone’s final turn, each player turns over all their cards and calculates the total.
• Score the hands by adding up the total in each column, and then add the totals of each column.
• E.g., column 1 = 0 column 2 =20 column 3 = -3 → Total score = 17

## Look Fors

• Do children make strategic decisions about swapping the cards from their grid to obtain the lowest total?
• ​Can children accurately total their score?

## Related Lessons

An activity requiring similar skills, but focusing on place value rather than addition.

In this activity, students collaborate using addition and subtraction skills to win.