22_Number_Sneha

Which properties apply to matrix multiplication? (Select all of the correct answers)

• Associative

• Commutative

• Distributive

Can you guess the name of this super fun activity Scarlett, Aria, and William are playing (hint: check out the picture)?

• Compatible pairs

• Numbers, Squares, Lines, and Dots

• Little Ten-Frame Sums

• How Much Between?

Imagine Liam, Lily, and Isla are on a treasure hunt. They need to solve addition and subtraction puzzles to find the treasure. Which of the following skills is most suitable for them, considering they are in the intermediate grades and can solve addition and subtraction problems appropriate for their grade level?

• Continue addition and subtraction of large numbers (solving problems with 1,000s using multiple strategies)

• Addition and subtraction within 10

• Addition and subtraction within 100

  (Add two digit to one digit numbers or multiples of 10)

• Multiplication

Imagine Mia and Henry are on a treasure hunt in their classroom! To unlock the treasure chest, they need to solve a math puzzle. Which of the following puzzles should they be able to solve in first grade?

• Within 100, and add two-digit numbers, or multiples of 10

• Should be able to decompose less than 1,000

• Within 10, and decompose numbers less than 20

• Add and Subtract up to 1,000 as well as use the standard algorithm

Which term matches this description, "Involves use of manipulatives or drawings along with counting to directly represent the meaning of the operation"?

• Direct Modeling

• Erosion

• Mental Computation

• Coopertive Modeling

Round 4.588 to 1 d.p.

• 4.5

• 4.6

• 4.58

• 4.59

Round 12.0099 to 1 d.p.

• 12.1

• 12.01

• 12

• 12.0

By rounding numbers in the sum to ONE significant figure, estimate the answer to this calculation

9.9 x 72.9 + 299

• 999

• 1030

• 1020

• 1000

• 9

• 8

• 10

• 11

• 1.8

• 2

• 1

• 9