Eureka Topic B Review

Write the numerical expressions in words. Then, solve.

10 × (2.5 + 13.5)

• 10 times 2.5 and 13.5

• 10 times the sum of 2.5 and 13.5

• 10 and 2.5 plus 13.5

• 10 times the difference of 2.5 and 13.5

Write the numerical expressions.

2 times the difference between 49.5 and 37.5

• 2 x (49.5 + 37.5)

• 2 x 49.5 x 37.5

• 2 - 49.5 + 37.5

• 2 x (49.5 - 37.5)

Write the numerical expressions. Choose all that apply.

Triple the sum of 45 and 55

• 3(45+55)

• 3 x (45+55)

• (45+55) x 3

• (45+55) + (45+55) + (45+55)

Compare the two expressions using > , < , or = .

93 × (40 + 2) (40 + 2) × 39

• >

• <

• =

Compare the two expressions using > , < , or = .

(4 + 2) × (8 + 2) (4 × 2) + (8 × 2)

• =

• <

• >

Which expression is not equivalent to the expression.

37 × 19

• 37 nineteens

• (30 × 19) – (7 × 29)

• 37 × (20 – 1)

• (40 – 3) × 19

Joy is helping her father to build a rectangular deck that measures 14 ft by 19 ft. Find the area of the deck using a mental strategy.

• 33 sq ft

• 266 sq ft

• 66 sq ft

Draw an area model, and then solve using the standard algorithm.

242 × 21 =

• 5,082

• 726

• 41,082

Eric earns $142 per shift at his new job. Last week, he work 12 shifts. About(Estimate) how much did he earn for last week?

• $1,704

• $1600

• $1420

One Saturday at the farmer’s market, each of the 94 vendors made $502 in profit. How much profit did all vendors make that Saturday?

• $502

• $47,988

• $47,188