Week 02 · Multiply: equal groups
Friday
Freddy's multiply game
// Groups, arrays and stories
⏱ about 15 min
Friday: Freddy's multiply game
Freddy the Frog hops onto a stump with a stack of cards.
"Ribbit! Each card has groups, arrays or a story," he says.
"Pick a card and find the product."
Chris sits close by. "Remember: how many groups, and how many in each?"
Bennie adds, "Last week's adding and rounding are in the game too."
Game 1: Groups and arrays
FIND THE PRODUCT
- Read the question.
- Tap your answer.
3 × 7 = ?
4 × 4 = ?
9 × 6 = ?
5 × 3 = ?Game 2: Story cards
SOLVE THE STORY
- Read the question.
- Tap your answer.
Freddy has 6 lily pads with 4 bugs on each. How many bugs?
There are 8 ducks. Each duck has 3 ducklings. How many ducklings?
Chris tells 5 stories a day for 7 days. How many stories?
Which story fits 2 × 9?Game 3: Last week
ROUND, ADD AND SUBTRACT
- Read the question.
- Tap your answer.
364 + 218 = ?
700 - 245 = ?
Round 476 to the nearest hundred.
ORDER THE PRODUCTS
- Find each product.
- Tap them from least to greatest.
11st
22nd
33rd
44th
Game 4: True or false?
Count the groups and how many in each.
| Sentence | True or false? |
|---|---|
| 3 × 7 = 21 | ? |
| 9 × 6 = 45 | ? |
| 4 + 4 + 4 + 4 = 4 × 4 | ? |
| 8 × 3 = 24 | ? |
WHY THIS EXERCISE9 × 6 = 54. That is 9 groups of 6.
Try it
Clap 4 times. Then clap 4 times again, and again.
How many groups of 4 claps did you make?
How many claps in all?
How many groups of 4 claps did you make?
How many claps in all?
On paper, draw your own multiply card. Show groups or an array.
Ribbit! Great game. Tomorrow is a Number Hunt.