Go through the Spectrum Math Grade 2 Answer Key Chapter 5 Lesson 5.5 Skip Counting and get the proper assistance needed during your homework.
Spectrum Math Grade 2 Chapter 5 Lesson 5.5 Skip Counting Answers Key
Count 3-digit numbers by 1.
Start at 310.
310, 311, 312, 313, 314,, ___, ____, 317
Answer:
The missing digits are 315 and 316.
Explanation:
Here, we have counted 3-digit numbers by 1. So we have started from 310 which is followed by
310+1 = 311,
311+1 = 312,
312+1 = 313,
313+1 = 314,
314+1 = 315,
315+1 = 316,
316+1 = 317.
Hence the missing digits are 315 and 316.
Start at 415.
415, 416, 417, 418, ____, 420, ____, 422
Answer:
The missing digits are 419 and 421.
Explanation:
Here, we have counted 3-digit numbers by 1. So we have started from 415 which is followed by
415+1 = 416,
416+1 = 417,
417+1 = 418,
418+1 = 419,
419+1 = 420,
420+1 = 421,
421+1 = 422.
The missing digits are 419 and 421.
Skip count 3-digit numbers.
Count by 5. Start at 600.
600, 605, 610, ____, ____, 625, 630, ____
Answer:
The missing digits are 615, 620, and 635.
Explanation:
Here, we have skipped the count of 3-digit numbers by 5. So we have started from 600 which is followed by
600+5 = 605,
605+5 = 610,
610+5 = 615,
615+5 = 620,
620+5 = 625,
625+5 = 630,
630+5 = 635.
Hence the missing digits are 615, 620, and 635.
Count by 5. Start at 780.
780, 785, 790, ____, 800, 805, ____, _____
Answer:
The missing digits are 795, 810, and 815.
Explanation:
Here, we have skipped the count of counted 3-digit numbers by 5. So we have started from 780 which is followed by
780+5 = 785,
785+5 = 790,
790+5 = 795,
795+5 = 800,
800+5 = 805,
805+5 = 810,
810+5 = 815.
Hence the missing digits are 795, 810, and 815.
Count by 10. Start at 200.
200, 210, ____, 230, ____, 250, ___, 270
Answer:
The missing digits are 220, 240, and 260.
Explanation:
Here, we have counted 3-digit numbers by 10. So we have started from 200 which is followed by
200+10 = 210,
210+10 = 220,
220+10 = 230,
230+10 = 240,
240+10 = 250,
250+10 = 260,
260+10 = 270.
Hence the missing digits are 220, 240, and 260.
Count by 10. Start at 350.
350, 360, 370, ____, _____, 400, ____, _____
Answer:
The missing digits are 380, 390, 410, and 420.
Explanation:
Here, we have counted 3-digit numbers by 10. So we have started from 350 which is followed by
350+10 = 360,
360+10 = 370,
370+10 = 380,
380+10 = 390,
390+10 = 400,
400+10 = 410,
410+10 = 420.
Hence the missing digits are 380, 390, 410, and 420.
Count by 100. Start at 100.
100, 200, 300, ___, ____, 600, ____
Answer:
The missing digits are 400, 500, and 700.
Explanation:
Here, we have counted 3-digit numbers by 100. So we have started from 100 which is followed by
100+100 = 200,
200+100 = 300,
300+100 = 400,
400+100 = 500,
500+100 = 600,
600+100 = 700.
Hence the missing digits are 400, 500, and 700.
Count backward by 100. Start at 900.
900, 800, 700, ______, 500, ____, _____
Answer:
The missing digits are 600, 400, and 300.
Explanation:
Here, we have counted 3-digit numbers backward by 100. So we have started from 900 which is followed by
900-100 = 800,
800-100 = 700,
700-100 = 600,
600-100 = 500,
500-100 = 400,
400-100 = 300.
Hence the missing digits are 600, 400, and 300.
Skip count 3-digit numbers.
Count by 5. Start at 400.
400, 405, ____, ____, ____, 425, 430, ___, ____
Answer:
The missing digits are 410, 415, 420, 435, and 440.
Explanation:
Here, we have counted 3-digit numbers by 5. So we have started from 400 which is followed by
400+5 = 405,
405+5 = 410,
410+5 = 415,
415+5 = 420,
420+5 = 425,
425+5 = 430,
430+5 = 435,
435+5 = 440.
Hence the missing digits are 410, 415, 420, 435, and 440.
Count by 10. Start at 310.
310, ___, ____, ___, 350, 360, ____
Answer:
The missing digits are 320, 330, 340, and 370.
Explanation:
Here, we have counted by 10. So we have started from 310 which is followed by
310+10 = 320,
320+10 = 330,
330+10 = 340,
340+10 = 350,
350+10 = 360,
360+10 = 370.
Hence the missing digits are 320, 330, 340, and 370.
Count backward by 10. Start at 670.
670, ____, ____, ___, 630, 620, ____
Answer:
The missing digits are 660, 650, 640, and 610.
Explanation:
Here, we have counted backward by 10. So we have started from 670 which is followed by
670-10 = 660,
660-10 = 650,
650-10 = 640,
640-10 = 630,
630-10 = 620,
620-10 = 610.
Hence the missing digits are 660, 650, 640, and 610.
Count backward by 10. Start at 532.
532, 522, 512, ____, ____, 482, ___, ____,
Answer:
The missing digits are 502, 492, 472, and 462.
Explanation:
Here, we have counted backward by 10. So we have started from 532 which is followed by
532-10 = 522,
522-10 = 512,
512-10 = 502,
502-10 = 492,
492-10 = 482,
482-10 = 472,
472-10 = 462.
Hence the missing digits are 502, 492, 472, and 462.
Count by 100. Start at 240.
240, 340, ___, ____, 640, ___, ____
Answer:
The missing digits are 440, 540, 740, and 840.
Explanation:
Here, we have counted by 100. So we have started from 240 which is followed by
240+100 = 340,
340+100 = 440,
440+100 = 540,
540+100 = 640,
640+100 = 740,
740+100 = 840.
Hence the missing digits are 440, 540, 740, and 840.
Count by 100. Start at 110.
110, ____, ____, 410, ___, ___, ____
Answer:
The missing digits are 210, 310, 510, 610, and 710.
Explanation:
Here, we have counted by 100. So we have started from 110 which is followed by
110+100 = 210,
210+100 = 310,
310+100 = 410,
410+100 = 510,
510+100 = 610,
610+100 = 710.
Hence the missing digits are 210, 310, 510, 610, and 710.
Count backward by 100. Start at 950.
950, ___, ___, ___, ____, 450, ____
Answer:
The missing digits are 850, 750, 650, 550, and 350.
Explanation:
Here, we have counted backward by 100. So we have started from 950 which is followed by
950-100 = 850,
850-100 = 750,
750-100 = 650,
650-100 =550,
550-100 = 450,
450-100 = 350.
Hence the missing digits are 850, 750, 650, 550, and 350.
Count backward by 100. Start at 826.
826, ___, ___, 526, ____, ____, 226
Answer:
The missing digits are 726, 626, 426, and 226.
Explanation:
Here, we have counted backward by 100. So we have started from 826 which is followed by
826-100 = 726,
726-100 = 626,
626-100 = 526,
526-100 = 426,
426-100 = 326,
326-100 = 226.
Hence the missing digits are 726, 626, 426, and 226.