This Grade 3 math check asks you to: 1) Substitute a number for an unknown to see if an equation is true. 2) Identify equivalent locations on number lines from <katex>0</katex> to <katex>1</katex>. Answer each question carefully and show your best thinking.
This Grade 3 math check asks you to: 1) Substitute a number for an unknown to see if an equation is true. 2) Identify equivalent locations on number lines from <katex>0</katex> to <katex>1</katex>. Answer each question carefully and show your best thinking.
Does replacing the unknown with
Yes | No | |
|---|---|---|
Use this number line to solve the problem.
Choose all the number lines that show a number equal to the number shown by point
Which expression is equal to 3 × 7?
Use this clock to answer the question
Select the time to the nearest minute shown on the clock
Decide if each equation is True or False for each question. Choose True or False for each equation.
True | False | |
|---|---|---|
Tasha is doing an art project with square tiles. She needs to figure out how many tiles she will need. This picture shows her design. Tasha thinks:
Tasha says, “I need (9 × 3) + (3 × 9) = 27 + 27 = 54 tiles to make the design.”
Which statement explains why Tasha is not correct?
Tracy has a broken ruler, but she can use it to measure the length of her pencil. What is the length in inches of the pencil shown?
Jeff has 6 markers. He estimates that the total mass of the markers is 54 grams.
Which statement could Jeff have used to make his estimate?