True or False: Number Sentence Detectives!
Open this deck in Kuraplan
Sign in to view all 10 slides, customise, present or download.
Slide preview
First 10 of 10 slides
True or False: Number Sentence Detectives!
Year 1 Mathematics Let's solve number mysteries together!
What is a Number Sentence?
Numbers and symbols working together Like a math puzzle to solve Has an equals sign (=) Can be true or false
Detective Question Time!
Look at this number sentence: 3 + 2 = 5 Is this TRUE or FALSE?
Let's Check with Counters!
Use 3 red counters Add 2 blue counters Count them all together What do you get?
The Answer is TRUE!
3 counters + 2 counters = 5 counters We proved it by counting! 3 + 2 = 5 is TRUE Great detective work!
Another Mystery to Solve!
New number sentence to investigate: 6 - 1 = 4 What do you think? TRUE or FALSE?
Investigate with Counters!
Start with 6 counters Take away 1 counter Count what's left Does it equal 4?
This One is FALSE!
6 - 1 = 5, not 4! We have 5 counters left 6 - 1 = 4 is FALSE Detectives found the mistake!
Your Turn to be Detectives!
Work with a partner Use number cards and counters Make your own number sentences Check if they're TRUE or FALSE!
Detective Success!
Great job, Number Detectives! You can check any number sentence Use counters to find the truth Keep investigating and learning!