Students can use the Spectrum Math Grade 3 Answer Key Chapter 2 Lesson 2.6 Thinking Addition for Subtraction as a quick guide to resolve any of their doubts

To check
982 – 657 = 325, add 657 to 325. These should be the same.

Question 1.
a. Subtract both the given numbers and the result is 570 and then verify it by adding with the number 150 as shown below. b. Subtract both the given numbers and the result is 238 and then verify it by adding with the number 83 as shown below. c. Subtract both the given numbers and the result is 33 and then verify it by adding with the number 92 as shown below. d. Subtract both the given numbers and the result is 328 and then verify it by adding with the number 657 as shown below. e. Subtract both the given numbers and the result is 165 and then verify it by adding with the number 291 as shown below. f. Subtract both the given numbers and the result is 222 and then verify it by adding with the number 220 as shown below. Question 2.
a. Subtract both the given numbers and the result is 121 and then verify it by adding with the number 179 as shown below. b. Subtract both the given numbers and the result is 15 and then verify it by adding with the number 104 as shown below. c. Subtract both the given numbers and the result is 316 and then verify it by adding with the number 197 as shown below. d. Subtract both the given numbers and the result is 112 and then verify it by adding with the number 147 as shown below. e. Subtract both the given numbers and the result is 129 and then verify it by adding with the number 463 as shown below. f. Subtract both the given numbers and the result is 296 and then verify it by adding with the number 412 as shown below. Question 3.
a. Subtract both the given numbers and the result is 120 and then verify it by adding with the number 120 as shown below. b. Subtract both the given numbers and the result is 220 and then verify it by adding with the number 320 as shown below. c. Subtract both the given numbers and the result is 86 and then verify it by adding with the number 86 as shown below. d. Subtract both the given numbers and the result is 263 and then verify it by adding with the number 447 as shown below. e. Subtract both the given numbers and the result is 264 and then verify it by adding with the number 419 as shown below. f. Subtract both the given numbers and the result is 405 and then verify it by adding with the number 307  as shown below. Question 4.
a. Subtract both the given numbers and the result is 187 and then verify it by adding with the number 532 as shown below. b. Subtract both the given numbers and the result is 462 and then verify it by adding with the number 457 as shown below. c. Subtract both the given numbers and the result is 437 and then verify it by adding with the number 250 as shown below. d.      