Adding Within 100: Grade 2 Math Test Answer Key – PDF Download

Grade 2 Add Test Answer Key: questions 1–5

Question 1: Add without regrouping (2 points)

1. \(34+25=59\)
2. \(52+30=82\)

Scoring: 1 point for each correct sum.

Question 2: Add with regrouping (2 points)

1. \(38+46=84\)
2. \(27+59=86\)

Scoring: 1 point for each correct sum.

Question 3: Base-ten blocks (2 points)

Ones: \(6+7=13\), so 1 ten is regrouped. Tens: \(3+2+1=6\).

1. \(36+27\)
2. \(36+27=63\)

Scoring: 1 point for the equation, 1 point for the sum 63.

Question 4: Open number line (2 points)

\(48+20=68\), then \(68+5=73\). The jumps total 25.

1. \(48+25\)
2. \(48+25=73\)

Scoring: 1 point for 48 + 25, 1 point for the sum 73.

Question 5: Missing number (2 points)

1. \(33\): \(27+33=60\)
2. \(46\): \(46+35=81\)

Scoring: 1 point for each correct missing number.

Grade 2 Add Test Answer Key: questions 6–9

Question 6: Three addends (2 points)

1. \(23+41+15=79\)
2. \(18+26+30=74\)

Scoring: 1 point for each correct sum.

Question 7: Four addends (2 points)

\(12+25=37\), \(37+31=68\), \(68+14=82\). (Or \(12+14=26\), \(25+31=56\), \(26+56=82\).)

\(12+25+31+14=82\)

Scoring: 2 points for 82. Give 1 point if the method is correct but one addition has a small slip.

Question 8: Find the mistake (2 points)

Ones: \(6+8=14\), which is 1 ten and 4 ones. Priya forgot to add the regrouped ten.

\(56+28=84\)

Scoring: 1 point for the explanation (the regrouped ten was missed), 1 point for 84.

Question 9: Library books (4 points)

1. \(47+36=83\)
2. \(83+14=97\), so \(97\) items

Scoring: 2 points for each part: 1 for a correct method and 1 for the correct answer (83, then 97).

Scoring summary

How to use this grade 2 add test answer key

Use this grade 2 add test answer key to score the test fairly and to see which skills need more practice.

⬇ Download the Grade 2 Adding Within 100 test answer key (PDF, 94 KB)

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